diff --git a/.github/workflows/regression-tests.yml b/.github/workflows/regression-tests.yml
index 4a561456d..96071e977 100644
--- a/.github/workflows/regression-tests.yml
+++ b/.github/workflows/regression-tests.yml
@@ -11,7 +11,7 @@ on:
 
 jobs:
   regression-tests:
-    name: Run on ${{ matrix.os }} using ${{ matrix.compiler }}
+    name: ${{ matrix.shortosname }} | ${{ matrix.compiler }} | ${{ matrix.cxx_std }} | ${{ matrix.stdlib }} | ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     env:
       CXX: ${{ matrix.compiler }}
@@ -20,22 +20,61 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-24.04]
-        compiler: [g++-13, g++-14, clang++-18]
+        shortosname: [ubu-24]
+        compiler: [g++-14, g++-13]
+        cxx_std: [c++2b]
+        stdlib: [libstdc++]
         include:
+          - os: ubuntu-20.04
+            shortosname: ubu-20
+            compiler: g++-10
+            cxx_std: c++20
+            stdlib: libstdc++
+          - os: ubuntu-24.04
+            shortosname: ubu-24
+            compiler: clang++-18
+            cxx_std: c++20
+            stdlib: libstdc++
+          - os: ubuntu-22.04
+            shortosname: ubu-22
+            compiler: clang++-15
+            cxx_std: c++20
+            stdlib: libstdc++
           - os: ubuntu-22.04
+            shortosname: ubu-22
             compiler: clang++-15
+            cxx_std: c++20
+            stdlib: libc++-15-dev
           - os: ubuntu-20.04
+            shortosname: ubu-20
             compiler: clang++-12
-          - os: ubuntu-20.04
-            compiler: g++-10
+            cxx_std: c++20
+            stdlib: libstdc++
           - os: macos-14
+            shortosname: mac-14
             compiler: clang++
+            cxx_std: c++2b
+            stdlib: default
           - os: macos-13
+            shortosname: mac-13
             compiler: clang++
+            cxx_std: c++2b
+            stdlib: default
           - os: macos-13
+            shortosname: mac-13
             compiler: clang++-15
-          - os: windows-latest
+            cxx_std: c++2b
+            stdlib: default
+          - os: windows-2022
+            shortosname: win-22
+            compiler: cl.exe
+            cxx_std: c++latest
+            stdlib: default
+          - os: windows-2022
+            shortosname: win-22
             compiler: cl.exe
+            cxx_std: c++20
+            stdlib: default
     steps:
     - name: Checkout repo
       uses: actions/checkout@v4
@@ -50,7 +89,7 @@ jobs:
       if: startsWith(matrix.os, 'ubuntu') || startsWith(matrix.os, 'macos')
       run: |
         cd regression-tests
-        bash run-tests.sh -c ${{ matrix.compiler }} -l ${{ matrix.os }}
+        bash run-tests.sh -c ${{ matrix.compiler }} -s ${{ matrix.cxx_std }} -d ${{ matrix.stdlib }} -l ${{ matrix.os }}
 
     - name: Run regression tests - Windows version
       if: matrix.os == 'windows-latest'
@@ -58,13 +97,13 @@ jobs:
         "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat" && ^
         git config --local core.autocrlf false && ^
         cd regression-tests && ^
-        bash run-tests.sh -c ${{ matrix.compiler }} -l ${{ matrix.os }}
+        bash run-tests.sh -c ${{ matrix.compiler }} -s ${{ matrix.cxx_std }} -d ${{ matrix.stdlib }} -l ${{ matrix.os }}
       shell: cmd
 
     - name: Upload patch
       if: ${{ !cancelled() }}
       uses: actions/upload-artifact@v4
       with:
-        name: ${{ matrix.os }}-${{ matrix.compiler }}.patch
-        path: regression-tests/${{ matrix.os }}-${{ matrix.compiler }}.patch
+        name: ${{ matrix.os }}-${{ matrix.compiler }}-${{ matrix.cxx_std }}-${{ matrix.stdlib }}.patch
+        path: regression-tests/${{ matrix.os }}-${{ matrix.compiler }}-${{ matrix.cxx_std }}-${{ matrix.stdlib }}.patch
         if-no-files-found: ignore
diff --git a/regression-tests/run-tests.sh b/regression-tests/run-tests.sh
index 96d66d2d4..6640786fa 100644
--- a/regression-tests/run-tests.sh
+++ b/regression-tests/run-tests.sh
@@ -4,6 +4,8 @@
 usage() {
     echo "Usage: $0 -c <compiler> [-l <run label>] [-t <tests to run>]"
     echo "    -c <compiler>     The compiler to use for the test"
+    echo "    -s <cxx_std>      The C++ standard to compile with (e.g. 'c++20', 'c++2b', 'c++latest' depending on the compiler)"
+    echo "    -d <stdlib>       Clang-only: the C++ Standard Library to link with ('libstdc++', 'libc++', or 'default' for platform default)"
     echo "    -l <run label>    The label to use in output patch file name"
     echo "    -t <tests to run> Runs only the provided, comma-separated tests (filenames including .cpp2)"
     echo "                      If the argument is not used all tests are run"
@@ -46,7 +48,7 @@ check_file () {
     git ls-files --error-unmatch "$file" > /dev/null 2>&1
     untracked=$?
 
-    patch_file="$label$cxx_compiler.patch"
+    patch_file="${label}-${cxx_compiler}-${cxx_std}-${cxx_stdlib}.patch"
 
     if [[ $untracked -eq 1 ]]; then
         # Add the file to the index to be able to diff it...
@@ -67,14 +69,20 @@ check_file () {
     fi
 }
 
-optstring="c:l:t:"
+optstring="c:s:d:l:t:"
 while getopts ${optstring} arg; do
   case "${arg}" in
     c)
         cxx_compiler="${OPTARG}"
         ;;
+    s)
+        cxx_std="${OPTARG}"
+        ;;
+    d)
+        cxx_stdlib="${OPTARG}"
+        ;;
     l)
-        label="${OPTARG}-"
+        label="${OPTARG}"
         ;;
     t)
         # Replace commas with spaces
@@ -125,8 +133,8 @@ expected_results_dir="test-results"
 ################
 # Get the directory with the exec outputs and compilation command
 if [[ "$cxx_compiler" == *"cl.exe"* ]]; then
-    compiler_cmd='cl.exe -nologo -std:c++latest -MD -EHsc -I ..\..\..\include -Fe:'
-    exec_out_dir="$expected_results_dir/msvc-2022"
+    compiler_cmd="cl.exe -nologo -std:${cxx_std} -MD -EHsc -I ..\..\..\include -Fe:"
+    exec_out_dir="$expected_results_dir/msvc-2022-${cxx_std}"
     compiler_version=$(cl.exe)
 else
     # Verify the compiler command
@@ -136,7 +144,6 @@ else
         exit 2
     fi
 
-    cpp_std=c++2b
     compiler_version=$("$cxx_compiler" --version)
 
     if [[ "$compiler_version" == *"Apple clang version 14.0"* ||
@@ -148,16 +155,10 @@ else
         exec_out_dir="$expected_results_dir/clang-12"
     elif [[ "$compiler_version" == *"clang version 15.0"* ]]; then 
         exec_out_dir="$expected_results_dir/clang-15"
-        # c++2b causes starge issues on GitHub ubuntu runners
-        cpp_std="c++20"
     elif [[ "$compiler_version" == *"clang version 18.1"* ]]; then 
         exec_out_dir="$expected_results_dir/clang-18"
-        # c++2b causes starge issues on GitHub ubuntu runners
-        cpp_std="c++20"
     elif [[ "$compiler_version" == *"g++-10"* ]]; then
         exec_out_dir="$expected_results_dir/gcc-10"
-        # GCC 10 does not support c++2b
-        cpp_std=c++20
     elif [[ "$compiler_version" == *"g++-12"* ||
             "$compiler_version" == *"g++-13"*
          ]]; then
@@ -169,7 +170,36 @@ else
         exit 2
     fi
 
-    compiler_cmd="$cxx_compiler -I../../../include -std=$cpp_std -pthread -o "
+    # Append the C++ standard (e.g. 'c++20') to the expected output dir name
+    exec_out_dir="${exec_out_dir}-${cxx_std}"
+
+    # Clang can link with either libstdc++ or libc++
+    # By default clang on ubuntu links with libstdc++ and on macOS links with libc++.
+    if [[ "$compiler_version" == *"clang"* ]]; then 
+        if [[ "$cxx_stdlib" == "default" || "$cxx_stdlib" == "" ]]; then
+            cxx_stdlib_link_arg=""  # Use compiler/platform default
+        elif [[ "$cxx_stdlib" == "libstdc++" ]]; then
+            cxx_stdlib_link_arg="-stdlib=libstdc++"
+        elif [[ "$cxx_stdlib" == *"libc++"* ]]; then
+
+            # Need to install the correct libc++ packages, e.g. `libc++-15-dev` and `libc++abi-15-dev` for clang 15.
+            # Our `cxx_stdlib` variable contains the `libc++-XX-dev` package name so we need to create the abi version.
+            cxx_stdlib_abi_package="${cxx_stdlib/libc++/libc++abi}"
+            printf "Installing packages: $cxx_stdlib $cxx_stdlib_abi_package\n\n"
+            sudo apt-get install -y $cxx_stdlib $cxx_stdlib_abi_package
+
+            cxx_stdlib_link_arg="-stdlib=libc++"
+            exec_out_dir="${exec_out_dir}-libcpp"
+        else
+            printf "Unhandled C++ Standard Library option:\n$cxx_stdlib\n\n"
+            exit 2
+        fi
+    else
+        cxx_stdlib_link_arg=""  # Use compiler/platform default
+    fi
+
+    compiler_cmd="$cxx_compiler -I../../../include -std=$cxx_std $cxx_stdlib_link_arg -pthread -o "
+    printf "\ncompiler_cmd: $compiler_cmd\n\n"
 fi
 
 if [[ -d "$exec_out_dir" ]]; then
@@ -177,7 +207,7 @@ if [[ -d "$exec_out_dir" ]]; then
 
     printf "Directory with reference compilation/execution files to use:\n$exec_out_dir\n\n"
 else
-    printf "Directory with reference compilation/execution files not found for compiler: '$cxx_compiler'\n\n"
+    printf "Directory with reference compilation/execution files not found for compiler: '$cxx_compiler' at $exec_out_dir\n\n"
     exit 2
 fi
 
@@ -197,8 +227,8 @@ regression_test_link_obj=""
 if [[ "$cxx_compiler" == *"cl.exe"* ]]; then
     echo "Building std and std.compat modules"
     (cd $exec_out_dir; \
-     cl.exe -nologo -std:c++latest -MD -EHsc -c "${VCToolsInstallDir}/modules/std.ixx";
-     cl.exe -nologo -std:c++latest -MD -EHsc -c "${VCToolsInstallDir}/modules/std.compat.ixx")
+     cl.exe -nologo -std:${cxx_std} -MD -EHsc -c "${VCToolsInstallDir}/modules/std.ixx";
+     cl.exe -nologo -std:${cxx_std} -MD -EHsc -c "${VCToolsInstallDir}/modules/std.compat.ixx")
     regression_test_link_obj="std.obj std.compat.obj"
 fi
 
diff --git a/regression-tests/test-results/apple-clang-14/clang-version.output b/regression-tests/test-results/apple-clang-14-c++2b/clang-version.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/clang-version.output
rename to regression-tests/test-results/apple-clang-14-c++2b/clang-version.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-allcpp1-hello.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-allcpp1-hello.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-allcpp1-hello.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-allcpp1-hello.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-allcpp1-hello.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-allcpp1-hello.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-allcpp1-hello.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-allcpp1-hello.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-as-for-variant-20-types.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-as-for-variant-20-types.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-as-for-variant-20-types.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-as-for-variant-20-types.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-as-for-variant-20-types.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-as-for-variant-20-types.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-as-for-variant-20-types.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-as-for-variant-20-types.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bounds-check.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-check.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bounds-check.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-check.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bounds-check.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-check.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bounds-check.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-check.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bounds-safety-with-assert-2.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-safety-with-assert-2.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bounds-safety-with-assert-2.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-safety-with-assert-2.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bounds-safety-with-assert-2.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-safety-with-assert-2.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bounds-safety-with-assert-2.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-safety-with-assert-2.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bounds-safety-with-assert.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-safety-with-assert.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bounds-safety-with-assert.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-safety-with-assert.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bounds-safety-with-assert.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-safety-with-assert.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bounds-safety-with-assert.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bounds-safety-with-assert.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bugfix-for-literal-as-nttp.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-literal-as-nttp.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bugfix-for-literal-as-nttp.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-literal-as-nttp.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bugfix-for-literal-as-nttp.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-literal-as-nttp.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bugfix-for-literal-as-nttp.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-literal-as-nttp.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bugfix-for-ufcs-non-local.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-ufcs-non-local.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bugfix-for-ufcs-non-local.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-ufcs-non-local.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-bugfix-for-ufcs-non-local.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-ufcs-non-local.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-bugfix-for-ufcs-non-local.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-bugfix-for-ufcs-non-local.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-captures-in-expressions-and-postconditions.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-captures-in-expressions-and-postconditions.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-captures-in-expressions-and-postconditions.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-captures-in-expressions-and-postconditions.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-captures-in-expressions-and-postconditions.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-captures-in-expressions-and-postconditions.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-captures-in-expressions-and-postconditions.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-captures-in-expressions-and-postconditions.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-fixed-type-aliases.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-fixed-type-aliases.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-fixed-type-aliases.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-fixed-type-aliases.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-fixed-type-aliases.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-fixed-type-aliases.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-fixed-type-aliases.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-fixed-type-aliases.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-float-literals.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-float-literals.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-float-literals.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-float-literals.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-float-literals.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-float-literals.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-float-literals.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-float-literals.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-forwarding.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-forwarding.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-forwarding.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-forwarding.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-forwarding.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-forwarding.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-forwarding.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-forwarding.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-function-expression-and-std-for-each.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-function-expression-and-std-for-each.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-function-expression-and-std-for-each.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-function-expression-and-std-for-each.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-function-expression-and-std-for-each.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-function-expression-and-std-for-each.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-function-expression-and-std-for-each.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-function-expression-and-std-for-each.cpp.output
diff --git a/regression-tests/test-results/apple-clang-14/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution b/regression-tests/test-results/apple-clang-14-c++2b/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution
diff --git a/regression-tests/test-results/apple-clang-14/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output b/regression-tests/test-results/apple-clang-14-c++2b/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
similarity index 100%
rename from regression-tests/test-results/apple-clang-14/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
rename to regression-tests/test-results/apple-clang-14-c++2b/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
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rename to regression-tests/test-results/clang-12-c++20/xyzzy
diff --git a/regression-tests/test-results/clang-15/clang-version.output b/regression-tests/test-results/clang-15-c++20-libcpp/clang-version.output
similarity index 100%
rename from regression-tests/test-results/clang-15/clang-version.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/clang-version.output
diff --git a/regression-tests/test-results/clang-15/mixed-allcpp1-hello.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-allcpp1-hello.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-allcpp1-hello.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-allcpp1-hello.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-allcpp1-hello.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-allcpp1-hello.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-allcpp1-hello.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-allcpp1-hello.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-as-for-variant-20-types.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-as-for-variant-20-types.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-as-for-variant-20-types.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-as-for-variant-20-types.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-as-for-variant-20-types.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-as-for-variant-20-types.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-as-for-variant-20-types.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-as-for-variant-20-types.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-bounds-check.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-check.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bounds-check.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-check.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-bounds-check.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-check.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bounds-check.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-check.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-bounds-safety-with-assert-2.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-safety-with-assert-2.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bounds-safety-with-assert-2.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-safety-with-assert-2.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-bounds-safety-with-assert-2.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-safety-with-assert-2.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bounds-safety-with-assert-2.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-safety-with-assert-2.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-bounds-safety-with-assert.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-safety-with-assert.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bounds-safety-with-assert.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-safety-with-assert.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-bounds-safety-with-assert.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-safety-with-assert.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bounds-safety-with-assert.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bounds-safety-with-assert.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-bugfix-for-literal-as-nttp.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-literal-as-nttp.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bugfix-for-literal-as-nttp.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-literal-as-nttp.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-bugfix-for-literal-as-nttp.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-literal-as-nttp.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bugfix-for-literal-as-nttp.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-literal-as-nttp.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-bugfix-for-ufcs-non-local.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-ufcs-non-local.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bugfix-for-ufcs-non-local.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-ufcs-non-local.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-bugfix-for-ufcs-non-local.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-ufcs-non-local.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-bugfix-for-ufcs-non-local.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-bugfix-for-ufcs-non-local.cpp.output
diff --git a/regression-tests/test-results/clang-15-c++20-libcpp/mixed-captures-in-expressions-and-postconditions.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-captures-in-expressions-and-postconditions.cpp.output
new file mode 100644
index 000000000..cdd0a80e9
--- /dev/null
+++ b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-captures-in-expressions-and-postconditions.cpp.output
@@ -0,0 +1,7 @@
+mixed-captures-in-expressions-and-postconditions.cpp2:12:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each(vec, callback);
+    ~~~~~~~~~~~~~^
+mixed-captures-in-expressions-and-postconditions.cpp2:14:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each(cpp2::move(vec), cpp2::move(callback));
+    ~~~~~~~~~~~~~^
+2 errors generated.
diff --git a/regression-tests/test-results/clang-15/mixed-fixed-type-aliases.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-fixed-type-aliases.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-fixed-type-aliases.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-fixed-type-aliases.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-fixed-type-aliases.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-fixed-type-aliases.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-fixed-type-aliases.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-fixed-type-aliases.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-float-literals.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-float-literals.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-float-literals.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-float-literals.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-float-literals.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-float-literals.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-float-literals.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-float-literals.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-forwarding.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-forwarding.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-forwarding.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-forwarding.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-forwarding.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-forwarding.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-forwarding.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-forwarding.cpp.output
diff --git a/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-and-std-for-each.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-and-std-for-each.cpp.output
new file mode 100644
index 000000000..bd728c7b1
--- /dev/null
+++ b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-and-std-for-each.cpp.output
@@ -0,0 +1,7 @@
+mixed-function-expression-and-std-for-each.cpp2:12:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each(
+    ~~~~~~~~~~~~~^
+mixed-function-expression-and-std-for-each.cpp2:19:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each(
+    ~~~~~~~~~~~~~^
+2 errors generated.
diff --git a/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
new file mode 100644
index 000000000..9b0737fa2
--- /dev/null
+++ b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
@@ -0,0 +1,7 @@
+mixed-function-expression-and-std-ranges-for-each-with-capture.cpp2:13:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each
+    ~~~~~~~~~~~~~^
+mixed-function-expression-and-std-ranges-for-each-with-capture.cpp2:17:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each(vec, cpp2::move(callback));
+    ~~~~~~~~~~~~~^
+2 errors generated.
diff --git a/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-and-std-ranges-for-each.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-and-std-ranges-for-each.cpp.output
new file mode 100644
index 000000000..cb0d9071f
--- /dev/null
+++ b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-and-std-ranges-for-each.cpp.output
@@ -0,0 +1,7 @@
+mixed-function-expression-and-std-ranges-for-each.cpp2:12:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each
+    ~~~~~~~~~~~~~^
+mixed-function-expression-and-std-ranges-for-each.cpp2:16:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each(vec, cpp2::move(callback));
+    ~~~~~~~~~~~~~^
+2 errors generated.
diff --git a/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-with-pointer-capture.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-with-pointer-capture.cpp.output
new file mode 100644
index 000000000..e498f2c95
--- /dev/null
+++ b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-with-pointer-capture.cpp.output
@@ -0,0 +1,7 @@
+mixed-function-expression-with-pointer-capture.cpp2:13:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each(vec, [_0 = (&y)](auto const& x) mutable -> void { 
+    ~~~~~~~~~~~~~^
+mixed-function-expression-with-pointer-capture.cpp2:18:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each(vec, cpp2::move(callback));
+    ~~~~~~~~~~~~~^
+2 errors generated.
diff --git a/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-with-repeated-capture.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-with-repeated-capture.cpp.output
new file mode 100644
index 000000000..22e8ecc97
--- /dev/null
+++ b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-function-expression-with-repeated-capture.cpp.output
@@ -0,0 +1,7 @@
+mixed-function-expression-with-repeated-capture.cpp2:13:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each
+    ~~~~~~~~~~~~~^
+mixed-function-expression-with-repeated-capture.cpp2:17:18: error: no member named 'for_each' in namespace 'std::ranges'
+    std::ranges::for_each(vec, cpp2::move(callback));
+    ~~~~~~~~~~~~~^
+2 errors generated.
diff --git a/regression-tests/test-results/clang-15/mixed-hello.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-hello.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-hello.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-hello.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-hello.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-hello.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-hello.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-hello.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-increment-decrement.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-increment-decrement.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-increment-decrement.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-increment-decrement.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-increment-decrement.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-increment-decrement.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-increment-decrement.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-increment-decrement.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-initialization-safety-3-contract-violation.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-initialization-safety-3-contract-violation.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-initialization-safety-3-contract-violation.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-initialization-safety-3-contract-violation.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-initialization-safety-3-contract-violation.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-initialization-safety-3-contract-violation.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-initialization-safety-3-contract-violation.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-initialization-safety-3-contract-violation.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-initialization-safety-3.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-initialization-safety-3.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-initialization-safety-3.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-initialization-safety-3.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-initialization-safety-3.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-initialization-safety-3.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-initialization-safety-3.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-initialization-safety-3.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-inspect-templates.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-templates.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-inspect-templates.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-templates.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-inspect-templates.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-templates.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-inspect-templates.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-templates.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-inspect-values-2.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-values-2.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-inspect-values-2.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-values-2.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-inspect-values-2.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-values-2.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-inspect-values-2.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-values-2.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-inspect-values.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-values.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-inspect-values.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-values.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-inspect-values.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-values.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-inspect-values.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-values.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-inspect-with-typeof-of-template-arg-list.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-with-typeof-of-template-arg-list.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-inspect-with-typeof-of-template-arg-list.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-with-typeof-of-template-arg-list.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-inspect-with-typeof-of-template-arg-list.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-with-typeof-of-template-arg-list.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-inspect-with-typeof-of-template-arg-list.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-inspect-with-typeof-of-template-arg-list.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-intro-example-three-loops.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-intro-example-three-loops.cpp.execution
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-intro-example-three-loops.cpp.execution
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-intro-example-three-loops.cpp.execution
diff --git a/regression-tests/test-results/clang-15/mixed-intro-example-three-loops.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-intro-example-three-loops.cpp.output
similarity index 100%
rename from regression-tests/test-results/clang-15/mixed-intro-example-three-loops.cpp.output
rename to regression-tests/test-results/clang-15-c++20-libcpp/mixed-intro-example-three-loops.cpp.output
diff --git a/regression-tests/test-results/clang-15/mixed-intro-for-with-counter-include-last.cpp.execution b/regression-tests/test-results/clang-15-c++20-libcpp/mixed-intro-for-with-counter-include-last.cpp.execution
similarity index 100%
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diff --git a/regression-tests/test-results/clang-15-c++20-libcpp/pure2-assert-expected-not-null.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/pure2-assert-expected-not-null.cpp.output
new file mode 100644
index 000000000..94d006323
--- /dev/null
+++ b/regression-tests/test-results/clang-15-c++20-libcpp/pure2-assert-expected-not-null.cpp.output
@@ -0,0 +1,19 @@
+pure2-assert-expected-not-null.cpp2:7:10: error: no member named 'expected' in namespace 'std'
+    std::expected<int,bool> ex {4}; 
+    ~~~~~^
+pure2-assert-expected-not-null.cpp2:7:22: error: expected '(' for function-style cast or type construction
+    std::expected<int,bool> ex {4}; 
+                  ~~~^
+pure2-assert-expected-not-null.cpp2:9:193: error: use of undeclared identifier 'ex'
+    return *cpp2::impl::assert_not_null(cpp2::move(up)) + *cpp2::impl::assert_not_null(cpp2::move(sp)) + *cpp2::impl::assert_not_null(cpp2::move(op)) + *cpp2::impl::assert_not_null(cpp2::move(ex)); 
+                                                                                                                                                                                                ^
+pure2-assert-expected-not-null.cpp2:14:10: error: no member named 'expected' in namespace 'std'
+    std::expected<int,bool> ex {std::unexpected(false)}; 
+    ~~~~~^
+pure2-assert-expected-not-null.cpp2:14:22: error: expected '(' for function-style cast or type construction
+    std::expected<int,bool> ex {std::unexpected(false)}; 
+                  ~~~^
+pure2-assert-expected-not-null.cpp2:15:52: error: use of undeclared identifier 'ex'
+    return *cpp2::impl::assert_not_null(cpp2::move(ex)); 
+                                                   ^
+6 errors generated.
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diff --git a/regression-tests/test-results/clang-15-c++20-libcpp/pure2-type-and-namespace-aliases.cpp.output b/regression-tests/test-results/clang-15-c++20-libcpp/pure2-type-and-namespace-aliases.cpp.output
new file mode 100644
index 000000000..99c308c8e
--- /dev/null
+++ b/regression-tests/test-results/clang-15-c++20-libcpp/pure2-type-and-namespace-aliases.cpp.output
@@ -0,0 +1,26 @@
+pure2-type-and-namespace-aliases.cpp2:3:61: error: no member named 'pmr' in namespace 'std'
+    template<typename T> using pmr_vec = std::vector<T,std::pmr::polymorphic_allocator<T>>;
+                                                       ~~~~~^
+pure2-type-and-namespace-aliases.cpp2:3:88: error: 'T' does not refer to a value
+    template<typename T> using pmr_vec = std::vector<T,std::pmr::polymorphic_allocator<T>>;
+                                                                                       ^
+pure2-type-and-namespace-aliases.cpp2:3:23: note: declared here
+    template<typename T> using pmr_vec = std::vector<T,std::pmr::polymorphic_allocator<T>>;
+                      ^
+pure2-type-and-namespace-aliases.cpp2:3:91: error: expected ';' after alias declaration
+    template<typename T> using pmr_vec = std::vector<T,std::pmr::polymorphic_allocator<T>>;
+                                                                                          ^
+                                                                                          ;
+pure2-type-and-namespace-aliases.cpp2:18:9: error: no member named 'pmr_vec' in namespace 'N'
+    N1::pmr_vec<myclass::str> v {"xyzzy", "plugh"}; 
+    ~~~~^
+pure2-type-and-namespace-aliases.cpp2:18:29: error: expected '(' for function-style cast or type construction
+    N1::pmr_vec<myclass::str> v {"xyzzy", "plugh"}; 
+                ~~~~~~~~~~~~^
+pure2-type-and-namespace-aliases.cpp2:18:31: error: use of undeclared identifier 'v'
+    N1::pmr_vec<myclass::str> v {"xyzzy", "plugh"}; 
+                              ^
+pure2-type-and-namespace-aliases.cpp2:20:27: error: use of undeclared identifier 'v'
+auto const& v2{cpp2::move(v)};
+                          ^
+7 errors generated.
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diff --git a/regression-tests/test-results/gcc-10-c++20/pure2-interpolation.cpp.execution b/regression-tests/test-results/gcc-10-c++20/pure2-interpolation.cpp.execution
new file mode 100644
index 000000000..7dbfcb544
--- /dev/null
+++ b/regression-tests/test-results/gcc-10-c++20/pure2-interpolation.cpp.execution
@@ -0,0 +1,12 @@
+g0g0g
+0g0g
+0g0
+00
+"0"
+"0
+"
+
+pl(ug$h
+0pl(ug$h
+Dog kennel           color mauve      price 3.14       in stock = true
+Dog kennel color mauve price 3.140000 in stock = true
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diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-allcpp1-hello.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-allcpp1-hello.cpp.execution
new file mode 100644
index 000000000..802992c42
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-allcpp1-hello.cpp.execution
@@ -0,0 +1 @@
+Hello world
diff --git a/regression-tests/test-results/msvc-2022/mixed-allcpp1-hello.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-allcpp1-hello.cpp.output
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diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-as-for-variant-20-types.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-as-for-variant-20-types.cpp.execution
new file mode 100644
index 000000000..5e2c9d82e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-as-for-variant-20-types.cpp.execution
@@ -0,0 +1,60 @@
+v as X< 0> = 0
+v as X< 1> = 1
+v as X< 2> = 2
+v as X< 3> = 3
+v as X< 4> = 4
+v as X< 5> = 5
+v as X< 6> = 6
+v as X< 7> = 7
+v as X< 8> = 8
+v as X< 9> = 9
+v as X<10> = 10
+v as X<11> = 11
+v as X<12> = 12
+v as X<13> = 13
+v as X<14> = 14
+v as X<15> = 15
+v as X<16> = 16
+v as X<17> = 17
+v as X<18> = 18
+v as X<19> = 19
+as_const(v) as X< 0> = 0
+as_const(v) as X< 1> = 1
+as_const(v) as X< 2> = 2
+as_const(v) as X< 3> = 3
+as_const(v) as X< 4> = 4
+as_const(v) as X< 5> = 5
+as_const(v) as X< 6> = 6
+as_const(v) as X< 7> = 7
+as_const(v) as X< 8> = 8
+as_const(v) as X< 9> = 9
+as_const(v) as X<10> = 10
+as_const(v) as X<11> = 11
+as_const(v) as X<12> = 12
+as_const(v) as X<13> = 13
+as_const(v) as X<14> = 14
+as_const(v) as X<15> = 15
+as_const(v) as X<16> = 16
+as_const(v) as X<17> = 17
+as_const(v) as X<18> = 18
+as_const(v) as X<19> = 19
+move(v) as X< 0> = 0
+move(v) as X< 1> = 1
+move(v) as X< 2> = 2
+move(v) as X< 3> = 3
+move(v) as X< 4> = 4
+move(v) as X< 5> = 5
+move(v) as X< 6> = 6
+move(v) as X< 7> = 7
+move(v) as X< 8> = 8
+move(v) as X< 9> = 9
+move(v) as X<10> = 10
+move(v) as X<11> = 11
+move(v) as X<12> = 12
+move(v) as X<13> = 13
+move(v) as X<14> = 14
+move(v) as X<15> = 15
+move(v) as X<16> = 16
+move(v) as X<17> = 17
+move(v) as X<18> = 18
+move(v) as X<19> = 19
diff --git a/regression-tests/test-results/msvc-2022/mixed-as-for-variant-20-types.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-as-for-variant-20-types.cpp.output
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diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-check.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-check.cpp.execution
new file mode 100644
index 000000000..8474b9159
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-check.cpp.execution
@@ -0,0 +1 @@
+Bounds safety violation: out of bounds access attempt detected - attempted access at index 5, [min,max] range is [0,4]
diff --git a/regression-tests/test-results/msvc-2022/mixed-bounds-check.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-check.cpp.output
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diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-safety-with-assert-2.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-safety-with-assert-2.cpp.execution
new file mode 100644
index 000000000..6330ca570
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-safety-with-assert-2.cpp.execution
@@ -0,0 +1,5 @@
+1
+44
+45
+46
+5
diff --git a/regression-tests/test-results/msvc-2022/mixed-bounds-safety-with-assert-2.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-safety-with-assert-2.cpp.output
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diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-safety-with-assert.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-safety-with-assert.cpp.execution
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index 000000000..776dc1460
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-safety-with-assert.cpp.execution
@@ -0,0 +1 @@
+Bounds safety violation
diff --git a/regression-tests/test-results/msvc-2022/mixed-bounds-safety-with-assert.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-bounds-safety-with-assert.cpp.output
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rename to regression-tests/test-results/msvc-2022-c++20/mixed-captures-in-expressions-and-postconditions.cpp.execution
diff --git a/regression-tests/test-results/msvc-2022/mixed-captures-in-expressions-and-postconditions.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-captures-in-expressions-and-postconditions.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-captures-in-expressions-and-postconditions.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-captures-in-expressions-and-postconditions.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-fixed-type-aliases.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-fixed-type-aliases.cpp.execution
new file mode 100644
index 000000000..3122e6030
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-fixed-type-aliases.cpp.execution
@@ -0,0 +1,4 @@
+true
+false
+"test.exe"
+true
diff --git a/regression-tests/test-results/msvc-2022/mixed-fixed-type-aliases.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-fixed-type-aliases.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-fixed-type-aliases.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-fixed-type-aliases.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-float-literals.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-float-literals.cpp.execution
new file mode 100644
index 000000000..6b15b12bc
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-float-literals.cpp.execution
@@ -0,0 +1,72 @@
+123
+123
+123
+123
+123
+123
+123456
+123
+123
+123
+123
+123
+123
+123456
+123456
+123456
+456
+456
+1e+10
+1e+10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+123456
+123456
+456
+456
+1e+10
+1e+10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+123
+123
+123
+123
+123
+123
+123456
+123
+123
+123
+123
+123
+123
+123456
+123456
+456
+1e+10
+1e+10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+123456
+456
+1e+10
+1e+10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
diff --git a/regression-tests/test-results/msvc-2022/mixed-float-literals.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-float-literals.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-float-literals.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-float-literals.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-forwarding.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-forwarding.cpp.execution
new file mode 100644
index 000000000..952feac3b
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-forwarding.cpp.execution
@@ -0,0 +1,12 @@
++X 1
++X 2
+copy X 1
+copy X 2
+copy X 1
+move X 2
++X 3
++X 4
+copy X 3
+copy X 4
+move X 3
+move X 4
diff --git a/regression-tests/test-results/msvc-2022/mixed-forwarding.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-forwarding.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-forwarding.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-forwarding.cpp.output
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-for-each.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-for-each.cpp.execution
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-for-each.cpp.execution
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-for-each.cpp.execution
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-for-each.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-for-each.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-for-each.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-for-each.cpp.output
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-ranges-for-each.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-ranges-for-each.cpp.execution
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-ranges-for-each.cpp.execution
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-ranges-for-each.cpp.execution
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-ranges-for-each.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-ranges-for-each.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-and-std-ranges-for-each.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-and-std-ranges-for-each.cpp.output
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-with-pointer-capture.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-with-pointer-capture.cpp.execution
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-with-pointer-capture.cpp.execution
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-with-pointer-capture.cpp.execution
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-with-pointer-capture.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-with-pointer-capture.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-with-pointer-capture.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-with-pointer-capture.cpp.output
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-with-repeated-capture.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-with-repeated-capture.cpp.execution
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-with-repeated-capture.cpp.execution
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-with-repeated-capture.cpp.execution
diff --git a/regression-tests/test-results/msvc-2022/mixed-function-expression-with-repeated-capture.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-with-repeated-capture.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-function-expression-with-repeated-capture.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-function-expression-with-repeated-capture.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-hello.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-hello.cpp.execution
new file mode 100644
index 000000000..c8848197e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-hello.cpp.execution
@@ -0,0 +1 @@
+Hello [world]
diff --git a/regression-tests/test-results/msvc-2022/mixed-hello.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-hello.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-hello.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-hello.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-increment-decrement.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-increment-decrement.cpp.execution
new file mode 100644
index 000000000..6f42aeb32
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-increment-decrement.cpp.execution
@@ -0,0 +1,2 @@
+12234
+12234
diff --git a/regression-tests/test-results/msvc-2022/mixed-increment-decrement.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-increment-decrement.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-increment-decrement.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-increment-decrement.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3-contract-violation.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3-contract-violation.cpp.execution
new file mode 100644
index 000000000..e16104fe5
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3-contract-violation.cpp.execution
@@ -0,0 +1 @@
+Contract violation: fill: value must contain at least count elements
diff --git a/regression-tests/test-results/msvc-2022/mixed-initialization-safety-3-contract-violation.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3-contract-violation.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-initialization-safety-3-contract-violation.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3-contract-violation.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3.cpp.execution
new file mode 100644
index 000000000..b261dd86c
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3.cpp.execution
@@ -0,0 +1 @@
+>> [xyzzy]
diff --git a/regression-tests/test-results/msvc-2022/mixed-initialization-safety-3.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-initialization-safety-3.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-initialization-safety-3.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-templates.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-templates.cpp.execution
new file mode 100644
index 000000000..03cdf50b7
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-templates.cpp.execution
@@ -0,0 +1,8 @@
+inspected vec : std::vector
+inspected arr : std::array
+inspected var : std::variant
+inspected myt : my_type
+inspected vec : std::vector
+inspected arr : std::array
+inspected var : std::variant
+inspected myt : my_type
diff --git a/regression-tests/test-results/msvc-2022/mixed-inspect-templates.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-templates.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-inspect-templates.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-inspect-templates.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values-2.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values-2.cpp.execution
new file mode 100644
index 000000000..8372eadca
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values-2.cpp.execution
@@ -0,0 +1,5 @@
+i is between 11 and 20
+less than 20
+i is between 10 and 30
+v is empty
+v is empty
diff --git a/regression-tests/test-results/msvc-2022/mixed-inspect-values-2.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values-2.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-inspect-values-2.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values-2.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values.cpp.execution
new file mode 100644
index 000000000..e7130e0f8
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values.cpp.execution
@@ -0,0 +1,12 @@
+rev dodgson
+(no match)
+the answer
+zero
+plugh
+zero
+1 or 2
+1 or 2
+3
+integer -42
+xyzzy
+(no match)
diff --git a/regression-tests/test-results/msvc-2022/mixed-inspect-values.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-inspect-values.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-inspect-values.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-with-typeof-of-template-arg-list.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-with-typeof-of-template-arg-list.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/mixed-inspect-with-typeof-of-template-arg-list.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-inspect-with-typeof-of-template-arg-list.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-inspect-with-typeof-of-template-arg-list.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-inspect-with-typeof-of-template-arg-list.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-intro-example-three-loops.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-intro-example-three-loops.cpp.execution
new file mode 100644
index 000000000..984a60a83
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-intro-example-three-loops.cpp.execution
@@ -0,0 +1,7 @@
+>> hello
+>> big
+>> world
+  **  **  **
+>> [hello]
+>> [big]
+>> [world]
diff --git a/regression-tests/test-results/msvc-2022/mixed-intro-example-three-loops.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-intro-example-three-loops.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-intro-example-three-loops.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-intro-example-three-loops.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-intro-for-with-counter-include-last.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-intro-for-with-counter-include-last.cpp.execution
new file mode 100644
index 000000000..05961867a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-intro-for-with-counter-include-last.cpp.execution
@@ -0,0 +1,5 @@
+1 42
+2 84
+3 168
+4 336
+5 672
diff --git a/regression-tests/test-results/msvc-2022/mixed-intro-for-with-counter-include-last.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-intro-for-with-counter-include-last.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-intro-for-with-counter-include-last.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-intro-for-with-counter-include-last.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-and-null-contracts.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-and-null-contracts.cpp.execution
new file mode 100644
index 000000000..f4dd62312
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-and-null-contracts.cpp.execution
@@ -0,0 +1 @@
+sending error to my framework... [dynamic null dereference attempt detected]
diff --git a/regression-tests/test-results/msvc-2022/mixed-lifetime-safety-and-null-contracts.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-and-null-contracts.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-lifetime-safety-and-null-contracts.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-and-null-contracts.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-pointer-init-4.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-pointer-init-4.cpp.execution
new file mode 100644
index 000000000..7ee4d37b2
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-pointer-init-4.cpp.execution
@@ -0,0 +1 @@
+>> 42
diff --git a/regression-tests/test-results/msvc-2022/mixed-lifetime-safety-pointer-init-4.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-pointer-init-4.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-lifetime-safety-pointer-init-4.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-lifetime-safety-pointer-init-4.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-multiple-return-values.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-multiple-return-values.cpp.execution
new file mode 100644
index 000000000..b3fc65a7c
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-multiple-return-values.cpp.execution
@@ -0,0 +1,2 @@
+a is 10
+b is xyzzy
diff --git a/regression-tests/test-results/msvc-2022/mixed-multiple-return-values.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-multiple-return-values.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-multiple-return-values.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-multiple-return-values.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-out-destruction.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-out-destruction.cpp.execution
new file mode 100644
index 000000000..df8e3e4ff
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-out-destruction.cpp.execution
@@ -0,0 +1,21 @@
+enter main
+enter f00
+enter f01
++X 1
+exit f01
+-X 1
+exit f00
+
+enter f10
+enter f11
+enter f12
+enter f13
+enter f14
++X 2
+exit f14
+exit f13
+exit f12
+-X 2
+exit f11
+exit f10
+exit main
diff --git a/regression-tests/test-results/msvc-2022/mixed-out-destruction.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-out-destruction.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-out-destruction.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-out-destruction.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing-generic-out.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing-generic-out.cpp.execution
new file mode 100644
index 000000000..982a789cf
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing-generic-out.cpp.execution
@@ -0,0 +1,2 @@
+42
+exxxx
diff --git a/regression-tests/test-results/msvc-2022/mixed-parameter-passing-generic-out.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing-generic-out.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-parameter-passing-generic-out.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing-generic-out.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing-with-forward.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing-with-forward.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/mixed-parameter-passing-with-forward.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing-with-forward.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-parameter-passing-with-forward.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing-with-forward.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/mixed-parameter-passing.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-parameter-passing.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-parameter-passing.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-postexpression-with-capture.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-postexpression-with-capture.cpp.execution
new file mode 100644
index 000000000..a17035eda
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-postexpression-with-capture.cpp.execution
@@ -0,0 +1,2 @@
+xyzzy and plugh
+xyzzyplugh
diff --git a/regression-tests/test-results/msvc-2022/mixed-postexpression-with-capture.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-postexpression-with-capture.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-postexpression-with-capture.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-postexpression-with-capture.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-postfix-expression-custom-formatting.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-postfix-expression-custom-formatting.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/mixed-postfix-expression-custom-formatting.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-postfix-expression-custom-formatting.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-postfix-expression-custom-formatting.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-postfix-expression-custom-formatting.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-string-interpolation.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-string-interpolation.cpp.execution
new file mode 100644
index 000000000..eebb290a9
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-string-interpolation.cpp.execution
@@ -0,0 +1,17 @@
+a = 2, b = (empty)
+a^2 + b = 46
+sv = my string_view
+osv = (empty)
+osv = string literal bound to optional string_view
+var = (empty)
+var = abracadabra
+var = 2.718280
+mypair = (12, 3.400000)
+tup1 = (12)
+tup2 = (12, 3.400000)
+tup3 = (12, 3.400000, 456)
+p = (first, (empty))
+t = (3.140000, (empty), (empty))
+vv = 0
+vv = (1, 2.300000)
+custom = (customize me - no cpp2::to_string overload exists for this type)
diff --git a/regression-tests/test-results/msvc-2022/mixed-string-interpolation.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-string-interpolation.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-string-interpolation.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-string-interpolation.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-test-parens.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-test-parens.cpp.execution
new file mode 100644
index 000000000..59967f29d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-test-parens.cpp.execution
@@ -0,0 +1,3 @@
+11
+12
+13*14 is 182
diff --git a/regression-tests/test-results/msvc-2022/mixed-test-parens.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-test-parens.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-test-parens.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-test-parens.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-type-safety-1.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-type-safety-1.cpp.execution
new file mode 100644
index 000000000..f1a0d084e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-type-safety-1.cpp.execution
@@ -0,0 +1,6 @@
+1.1 is int? false
+1   is int? true
+
+s* is Shape?  true
+s* is Circle? true
+s* is Square? false
diff --git a/regression-tests/test-results/msvc-2022/mixed-type-safety-1.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-type-safety-1.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-type-safety-1.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-type-safety-1.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/mixed-ufcs-multiple-template-arguments.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/mixed-ufcs-multiple-template-arguments.cpp.execution
new file mode 100644
index 000000000..dec75369f
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/mixed-ufcs-multiple-template-arguments.cpp.execution
@@ -0,0 +1,2 @@
+rain
+rain
diff --git a/regression-tests/test-results/msvc-2022/mixed-ufcs-multiple-template-arguments.cpp.output b/regression-tests/test-results/msvc-2022-c++20/mixed-ufcs-multiple-template-arguments.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/mixed-ufcs-multiple-template-arguments.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/mixed-ufcs-multiple-template-arguments.cpp.output
diff --git a/regression-tests/test-results/msvc-2022/pure2-assert-expected-not-null.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-expected-not-null.cpp.execution
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-assert-expected-not-null.cpp.execution
rename to regression-tests/test-results/msvc-2022-c++20/pure2-assert-expected-not-null.cpp.execution
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-assert-expected-not-null.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-expected-not-null.cpp.output
new file mode 100644
index 000000000..f2e012a95
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-expected-not-null.cpp.output
@@ -0,0 +1,20 @@
+pure2-assert-expected-not-null.cpp
+pure2-assert-expected-not-null.cpp2(7): error C2039: 'expected': is not a member of 'std'
+predefined C++ types (compiler internal)(348): note: see declaration of 'std'
+pure2-assert-expected-not-null.cpp2(7): error C2062: type 'int' unexpected
+pure2-assert-expected-not-null.cpp2(7): error C2143: syntax error: missing ';' before '{'
+pure2-assert-expected-not-null.cpp2(7): error C2143: syntax error: missing ';' before '}'
+pure2-assert-expected-not-null.cpp2(9): error C2065: 'ex': undeclared identifier
+pure2-assert-expected-not-null.cpp2(9): error C2672: 'cpp2::impl::assert_not_null': no matching overloaded function found
+..\..\..\include\cpp2util.h(632): note: could be 'decltype(auto) cpp2::impl::assert_not_null(_T0 &&)'
+pure2-assert-expected-not-null.cpp2(14): error C2039: 'expected': is not a member of 'std'
+predefined C++ types (compiler internal)(348): note: see declaration of 'std'
+pure2-assert-expected-not-null.cpp2(14): error C2062: type 'int' unexpected
+pure2-assert-expected-not-null.cpp2(14): error C2143: syntax error: missing ';' before '{'
+pure2-assert-expected-not-null.cpp2(14): error C2039: 'unexpected': is not a member of 'std'
+predefined C++ types (compiler internal)(348): note: see declaration of 'std'
+pure2-assert-expected-not-null.cpp2(14): error C3861: 'unexpected': identifier not found
+pure2-assert-expected-not-null.cpp2(14): error C2143: syntax error: missing ';' before '}'
+pure2-assert-expected-not-null.cpp2(15): error C2065: 'ex': undeclared identifier
+pure2-assert-expected-not-null.cpp2(15): error C2672: 'cpp2::impl::assert_not_null': no matching overloaded function found
+..\..\..\include\cpp2util.h(632): note: could be 'decltype(auto) cpp2::impl::assert_not_null(_T0 &&)'
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-assert-optional-not-null.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-optional-not-null.cpp.execution
new file mode 100644
index 000000000..c6aeba0fd
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-optional-not-null.cpp.execution
@@ -0,0 +1 @@
+Null safety violation: std::optional does not contain a value
diff --git a/regression-tests/test-results/msvc-2022/pure2-assert-optional-not-null.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-optional-not-null.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-assert-optional-not-null.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-assert-optional-not-null.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-assert-shared-ptr-not-null.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-shared-ptr-not-null.cpp.execution
new file mode 100644
index 000000000..85aafbe6a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-shared-ptr-not-null.cpp.execution
@@ -0,0 +1 @@
+Null safety violation: std::shared_ptr is empty
diff --git a/regression-tests/test-results/msvc-2022/pure2-assert-shared-ptr-not-null.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-shared-ptr-not-null.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-assert-shared-ptr-not-null.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-assert-shared-ptr-not-null.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-assert-unique-ptr-not-null.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-unique-ptr-not-null.cpp.execution
new file mode 100644
index 000000000..af633d171
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-unique-ptr-not-null.cpp.execution
@@ -0,0 +1 @@
+Null safety violation: std::unique_ptr is empty
diff --git a/regression-tests/test-results/msvc-2022/pure2-assert-unique-ptr-not-null.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-assert-unique-ptr-not-null.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-assert-unique-ptr-not-null.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-assert-unique-ptr-not-null.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bounds-safety-span.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bounds-safety-span.cpp.execution
new file mode 100644
index 000000000..3a0304fa2
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-bounds-safety-span.cpp.execution
@@ -0,0 +1,3 @@
+>> decorated
+>> hello
+>> world
diff --git a/regression-tests/test-results/msvc-2022/pure2-bounds-safety-span.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bounds-safety-span.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bounds-safety-span.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bounds-safety-span.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-break-continue.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-break-continue.cpp.execution
new file mode 100644
index 000000000..c8af55771
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-break-continue.cpp.execution
@@ -0,0 +1,26 @@
+while_continue_inner:
+  00 inner 01 02 inner outer 10 inner 11 12 inner outer 20 inner 21 22 inner outer 
+while_continue_outer:
+  00 inner 01 10 inner 11 20 inner 21 
+while_break_inner:
+  00 inner 01 outer 10 inner 11 outer 20 inner 21 outer 
+while_break_outer:
+  00 inner 01 
+
+do_continue_inner:
+  00 inner 01 02 inner outer 10 inner 11 12 inner outer 20 inner 21 22 inner outer 
+do_continue_outer:
+  00 inner 01 10 inner 11 20 inner 21 
+do_break_inner:
+  00 inner 01 outer 10 inner 11 outer 20 inner 21 outer 
+do_break_outer:
+  00 inner 01 
+
+for_continue_inner:
+  00 inner 01 02 inner outer 10 inner 11 12 inner outer 20 inner 21 22 inner outer 
+for_continue_outer:
+  00 inner 01 10 inner 11 20 inner 21 
+for_break_inner:
+  00 inner 01 outer 10 inner 11 outer 20 inner 21 outer 
+for_break_outer:
+  00 inner 01 
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022/pure2-break-continue.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-break-continue.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-break-continue.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-break-continue.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-assign-expression-list.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-assign-expression-list.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-assign-expression-list.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-assign-expression-list.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-assign-expression-list.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-assign-expression-list.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-discard-precedence.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-discard-precedence.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-discard-precedence.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-discard-precedence.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-discard-precedence.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-discard-precedence.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-indexed-call.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-indexed-call.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-indexed-call.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-indexed-call.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-indexed-call.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-indexed-call.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-max-munch.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-max-munch.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-max-munch.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-max-munch.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-max-munch.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-max-munch.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-memberwise-base-assignment.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-memberwise-base-assignment.cpp.execution
new file mode 100644
index 000000000..566837e51
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-memberwise-base-assignment.cpp.execution
@@ -0,0 +1,2 @@
+(out this, that)
+(out this, that)
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-memberwise-base-assignment.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-memberwise-base-assignment.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-memberwise-base-assignment.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-memberwise-base-assignment.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-non-local-function-expression.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-non-local-function-expression.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-non-local-function-expression.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-non-local-function-expression.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-non-local-function-expression.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-non-local-function-expression.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-non-local-initialization.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-non-local-initialization.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-non-local-initialization.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-non-local-initialization.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-non-local-initialization.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-non-local-initialization.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-optional-template-argument-list.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-optional-template-argument-list.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-optional-template-argument-list.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-optional-template-argument-list.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-optional-template-argument-list.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-optional-template-argument-list.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-template-argument.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-template-argument.cpp.execution
new file mode 100644
index 000000000..c508d5366
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-template-argument.cpp.execution
@@ -0,0 +1 @@
+false
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-template-argument.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-template-argument.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-template-argument.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-template-argument.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-arguments.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-arguments.cpp.execution
new file mode 100644
index 000000000..0e41b7819
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-arguments.cpp.execution
@@ -0,0 +1,4 @@
+0123456789
+9
+0123456789
+9
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-ufcs-arguments.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-arguments.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-ufcs-arguments.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-arguments.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-name-lookup.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-name-lookup.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-ufcs-name-lookup.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-name-lookup.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-ufcs-name-lookup.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-name-lookup.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-noexcept.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-noexcept.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-ufcs-noexcept.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-noexcept.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-ufcs-noexcept.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-noexcept.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-sfinae.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-sfinae.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-ufcs-sfinae.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-sfinae.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-ufcs-sfinae.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-ufcs-sfinae.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-unbraced-function-expression.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-unbraced-function-expression.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-unbraced-function-expression.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-unbraced-function-expression.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-unbraced-function-expression.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-unbraced-function-expression.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-variable-template.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-variable-template.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-bugfix-for-variable-template.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-variable-template.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-bugfix-for-variable-template.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-bugfix-for-variable-template.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-chained-comparisons.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-chained-comparisons.cpp.execution
new file mode 100644
index 000000000..b41a1bf75
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-chained-comparisons.cpp.execution
@@ -0,0 +1,27 @@
+0 0 0: true false false
+0 0 1: false false false
+0 0 2: false false false
+0 1 0: false false false
+0 1 1: false true false
+0 1 2: false true false
+0 2 0: false false false
+0 2 1: false false false
+0 2 2: false true false
+1 0 0: false false false
+1 0 1: false false false
+1 0 2: false false false
+1 1 0: false false true
+1 1 1: true false false
+1 1 2: false false false
+1 2 0: false false false
+1 2 1: false false false
+1 2 2: false true false
+2 0 0: false false false
+2 0 1: false false false
+2 0 2: false false false
+2 1 0: false false true
+2 1 1: false false false
+2 1 2: false false false
+2 2 0: false false true
+2 2 1: false false true
+2 2 2: true false false
diff --git a/regression-tests/test-results/msvc-2022/pure2-chained-comparisons.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-chained-comparisons.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-chained-comparisons.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-chained-comparisons.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-concept-definition.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-concept-definition.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-concept-definition.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-concept-definition.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-concept-definition.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-concept-definition.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-contracts.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-contracts.cpp.execution
new file mode 100644
index 000000000..e8a01cd98
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-contracts.cpp.execution
@@ -0,0 +1,3 @@
+1
+2
+4
diff --git a/regression-tests/test-results/msvc-2022/pure2-contracts.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-contracts.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-contracts.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-contracts.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-defaulted-comparisons-and-final-types.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-defaulted-comparisons-and-final-types.cpp.execution
new file mode 100644
index 000000000..9ff824547
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-defaulted-comparisons-and-final-types.cpp.execution
@@ -0,0 +1 @@
+less
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022/pure2-defaulted-comparisons-and-final-types.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-defaulted-comparisons-and-final-types.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-defaulted-comparisons-and-final-types.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-defaulted-comparisons-and-final-types.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-enum.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-enum.cpp.execution
new file mode 100644
index 000000000..6d9a33c28
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-enum.cpp.execution
@@ -0,0 +1,29 @@
+x.to_string() is clubs
+x2.to_string() is clubs
+with if else: clubs
+with inspect: clubs
+
+file_attributes::cached.get_raw_value() is 1
+file_attributes::current.get_raw_value() is 2
+file_attributes::obsolete.get_raw_value() is 4
+file_attributes::cached_and_current.get_raw_value() is 3
+f. get_raw_value() is 1
+f2.get_raw_value() is 1
+f  is (cached)
+f2 is (cached)
+f2 is (none)
+f2 is (cached)
+f. get_raw_value() is 1
+f2.get_raw_value() is 1
+f  is (f2) is true
+f2 is (f ) is true
+
+f  is (cached, current, obsolete, cached_and_current)
+f2 is (cached, current, cached_and_current)
+f. get_raw_value() is 7
+f2.get_raw_value() is 3
+f  == f2   is false
+f  is (f2) is false
+f2 is (f ) is false
+(f & f2) == f2 is true
+inspecting f: includes all f2's flags ('cached' and 'current')
diff --git a/regression-tests/test-results/msvc-2022/pure2-enum.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-enum.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-enum.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-enum.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-for-loop-range-with-lambda.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-for-loop-range-with-lambda.cpp.execution
new file mode 100644
index 000000000..19b3a90b2
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-for-loop-range-with-lambda.cpp.execution
@@ -0,0 +1 @@
+12345123451234512345
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022/pure2-for-loop-range-with-lambda.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-for-loop-range-with-lambda.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-for-loop-range-with-lambda.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-for-loop-range-with-lambda.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-forward-return.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-forward-return.cpp.execution
new file mode 100644
index 000000000..f259f2362
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-forward-return.cpp.execution
@@ -0,0 +1,2 @@
+4
+42
diff --git a/regression-tests/test-results/msvc-2022/pure2-forward-return.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-forward-return.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-forward-return.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-forward-return.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-function-multiple-forward-arguments.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-function-multiple-forward-arguments.cpp.execution
new file mode 100644
index 000000000..8baef1b4a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-function-multiple-forward-arguments.cpp.execution
@@ -0,0 +1 @@
+abc
diff --git a/regression-tests/test-results/msvc-2022/pure2-function-multiple-forward-arguments.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-function-multiple-forward-arguments.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-function-multiple-forward-arguments.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-function-multiple-forward-arguments.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-hello.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-hello.cpp.execution
new file mode 100644
index 000000000..c8848197e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-hello.cpp.execution
@@ -0,0 +1 @@
+Hello [world]
diff --git a/regression-tests/test-results/msvc-2022/pure2-hello.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-hello.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-hello.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-hello.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-initialization-safety-with-else-if.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-initialization-safety-with-else-if.cpp.execution
new file mode 100644
index 000000000..d00491fd7
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-initialization-safety-with-else-if.cpp.execution
@@ -0,0 +1 @@
+1
diff --git a/regression-tests/test-results/msvc-2022/pure2-initialization-safety-with-else-if.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-initialization-safety-with-else-if.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-initialization-safety-with-else-if.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-initialization-safety-with-else-if.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-in-generic-function-multiple-types.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-in-generic-function-multiple-types.cpp.execution
new file mode 100644
index 000000000..fd5a6cdff
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-in-generic-function-multiple-types.cpp.execution
@@ -0,0 +1,8 @@
+                        double value is not an int or string
+     variant<int, int, double> value is not an int or string
+                           any value is "xyzzy"
+                 optional<int> value is not an int or string
+                           int value is integer 42
+     variant<int, int, double> value is integer 1
+                           any value is integer 2
+                 optional<int> value is integer 3
diff --git a/regression-tests/test-results/msvc-2022/pure2-inspect-expression-in-generic-function-multiple-types.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-in-generic-function-multiple-types.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-inspect-expression-in-generic-function-multiple-types.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-in-generic-function-multiple-types.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-with-as-in-generic-function.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-with-as-in-generic-function.cpp.execution
new file mode 100644
index 000000000..3cd874b4e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-with-as-in-generic-function.cpp.execution
@@ -0,0 +1,3 @@
+                        syzygy value is not an int
+                             1 value is 1
+                      1.100000 value is not an int
diff --git a/regression-tests/test-results/msvc-2022/pure2-inspect-expression-with-as-in-generic-function.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-with-as-in-generic-function.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-inspect-expression-with-as-in-generic-function.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-inspect-expression-with-as-in-generic-function.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-fallback-with-variant-any-optional.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-fallback-with-variant-any-optional.cpp.execution
new file mode 100644
index 000000000..a5cbcefe9
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-fallback-with-variant-any-optional.cpp.execution
@@ -0,0 +1,11 @@
+
+All these cases satisfy "matches std::string"
+
+variant<int, int, string>
+    ... matches std::string
+
+string
+    ... matches std::string
+
+optional<string>
+    ... matches std::string
diff --git a/regression-tests/test-results/msvc-2022/pure2-inspect-fallback-with-variant-any-optional.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-fallback-with-variant-any-optional.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-inspect-fallback-with-variant-any-optional.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-inspect-fallback-with-variant-any-optional.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.execution
new file mode 100644
index 000000000..a2df8769d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.execution
@@ -0,0 +1,17 @@
+
+All these cases satisfy "VOYDE AND EMPTIE"
+
+unique_ptr
+    ... VOYDE AND EMPTIE
+
+vector<int>::iterator
+    ... VOYDE AND EMPTIE
+
+variant<monostate, int, int, string>
+    ... VOYDE AND EMPTIE
+
+any
+    ... VOYDE AND EMPTIE
+
+optional<string>
+    ... VOYDE AND EMPTIE
diff --git a/regression-tests/test-results/msvc-2022/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.output
diff --git a/regression-tests/test-results/msvc-2022/pure2-interpolation.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-interpolation.cpp.execution
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-interpolation.cpp.execution
rename to regression-tests/test-results/msvc-2022-c++20/pure2-interpolation.cpp.execution
diff --git a/regression-tests/test-results/msvc-2022/pure2-interpolation.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-interpolation.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-interpolation.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-interpolation.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-hello-2022.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-hello-2022.cpp.execution
new file mode 100644
index 000000000..8e8c5ee29
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-hello-2022.cpp.execution
@@ -0,0 +1,2 @@
+>> [hello] - length 7
+>> [2022] - length 6
diff --git a/regression-tests/test-results/msvc-2022/pure2-intro-example-hello-2022.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-hello-2022.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-intro-example-hello-2022.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-hello-2022.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-three-loops.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-three-loops.cpp.execution
new file mode 100644
index 000000000..c218d85df
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-three-loops.cpp.execution
@@ -0,0 +1,8 @@
+>> hello
+>> big
+>> world
+  **  **  **
+>> [hello]
+>> [big]
+>> [world]
+>> end of program
diff --git a/regression-tests/test-results/msvc-2022/pure2-intro-example-three-loops.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-three-loops.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-intro-example-three-loops.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-intro-example-three-loops.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-free-functions-predicate.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-free-functions-predicate.cpp.execution
new file mode 100644
index 000000000..c8a07e430
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-free-functions-predicate.cpp.execution
@@ -0,0 +1,6 @@
+3.140000 is double bigger than 3
+3.140000 is bigger than 3
+42 is integer bigger than 3
+42 is bigger than 3
+a is integer bigger than 3
+a is bigger than 3
diff --git a/regression-tests/test-results/msvc-2022/pure2-is-with-free-functions-predicate.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-free-functions-predicate.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-is-with-free-functions-predicate.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-is-with-free-functions-predicate.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-unnamed-predicates.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-unnamed-predicates.cpp.execution
new file mode 100644
index 000000000..c8a07e430
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-unnamed-predicates.cpp.execution
@@ -0,0 +1,6 @@
+3.140000 is double bigger than 3
+3.140000 is bigger than 3
+42 is integer bigger than 3
+42 is bigger than 3
+a is integer bigger than 3
+a is bigger than 3
diff --git a/regression-tests/test-results/msvc-2022/pure2-is-with-unnamed-predicates.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-unnamed-predicates.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-is-with-unnamed-predicates.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-is-with-unnamed-predicates.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-variable-and-value.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-variable-and-value.cpp.execution
new file mode 100644
index 000000000..a9bc0680a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-variable-and-value.cpp.execution
@@ -0,0 +1,9 @@
+3.14: unknown
+42: 42
+WithOp(): unknown
+WithGenOp(): unknown
+Cmp(): comparable
+std::string("text"): text
+"text": text
+std::string_view("text"): text
+:std::vector = ('t','e','x','t','\0'): unknown
diff --git a/regression-tests/test-results/msvc-2022/pure2-is-with-variable-and-value.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-is-with-variable-and-value.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-is-with-variable-and-value.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-is-with-variable-and-value.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-last-use.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-last-use.cpp.execution
new file mode 100644
index 000000000..4632e068d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-last-use.cpp.execution
@@ -0,0 +1 @@
+123456
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022/pure2-last-use.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-last-use.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-last-use.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-last-use.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-look-up-parameter-across-unnamed-function.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-look-up-parameter-across-unnamed-function.cpp.execution
new file mode 100644
index 000000000..871727de1
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-look-up-parameter-across-unnamed-function.cpp.execution
@@ -0,0 +1 @@
+84
diff --git a/regression-tests/test-results/msvc-2022/pure2-look-up-parameter-across-unnamed-function.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-look-up-parameter-across-unnamed-function.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-look-up-parameter-across-unnamed-function.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-look-up-parameter-across-unnamed-function.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-main-args.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-main-args.cpp.execution
new file mode 100644
index 000000000..bd992e432
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-main-args.cpp.execution
@@ -0,0 +1,2 @@
+args.argc            is 1
+args.argv[0]         is test.exe
diff --git a/regression-tests/test-results/msvc-2022/pure2-main-args.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-main-args.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-main-args.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-main-args.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-more-wildcards.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-more-wildcards.cpp.execution
new file mode 100644
index 000000000..e37d6cb21
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-more-wildcards.cpp.execution
@@ -0,0 +1,2 @@
+yes, less
+yes, always
diff --git a/regression-tests/test-results/msvc-2022/pure2-more-wildcards.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-more-wildcards.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-more-wildcards.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-more-wildcards.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-print.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-print.cpp.execution
new file mode 100644
index 000000000..4e4b4573d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-print.cpp.execution
@@ -0,0 +1,2 @@
+43
+forty-and-three
diff --git a/regression-tests/test-results/msvc-2022/pure2-print.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-print.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-print.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-print.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-raw-string-literal-and-interpolation.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-raw-string-literal-and-interpolation.cpp.execution
new file mode 100644
index 000000000..c48e2bd60
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-raw-string-literal-and-interpolation.cpp.execution
@@ -0,0 +1,17 @@
+this is a string
+raw string without interpolation
+this is raw string literal
+
+that can last for multiple
+
+lines
+this is raw string literal
+that can last for multiple
+lines
+42 R"(this can be added too)"
+calculations like m["one"] + m["two"] = 3 also works
+at the beginning of the line!!!
+
+
+    4242
+1.2.0.42
diff --git a/regression-tests/test-results/msvc-2022/pure2-raw-string-literal-and-interpolation.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-raw-string-literal-and-interpolation.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-raw-string-literal-and-interpolation.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-raw-string-literal-and-interpolation.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-repeated-call.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-repeated-call.cpp.execution
new file mode 100644
index 000000000..d81cc0710
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-repeated-call.cpp.execution
@@ -0,0 +1 @@
+42
diff --git a/regression-tests/test-results/msvc-2022/pure2-repeated-call.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-repeated-call.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-repeated-call.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-repeated-call.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-requires-clauses.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-requires-clauses.cpp.execution
new file mode 100644
index 000000000..105d7d9ad
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-requires-clauses.cpp.execution
@@ -0,0 +1 @@
+100
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022/pure2-requires-clauses.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-requires-clauses.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-requires-clauses.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-requires-clauses.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-return-tuple-operator.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-return-tuple-operator.cpp.execution
new file mode 100644
index 000000000..a3b7f9a55
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-return-tuple-operator.cpp.execution
@@ -0,0 +1,3 @@
+12 , 34
+23 , 45
+34 , 56
diff --git a/regression-tests/test-results/msvc-2022/pure2-return-tuple-operator.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-return-tuple-operator.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-return-tuple-operator.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-return-tuple-operator.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-statement-scope-parameters.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-statement-scope-parameters.cpp.execution
new file mode 100644
index 000000000..6fe5c7f6a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-statement-scope-parameters.cpp.execution
@@ -0,0 +1,2 @@
+42
+43
diff --git a/regression-tests/test-results/msvc-2022/pure2-statement-scope-parameters.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-statement-scope-parameters.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-statement-scope-parameters.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-statement-scope-parameters.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-stdio-with-raii.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-stdio-with-raii.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-stdio-with-raii.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-stdio-with-raii.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-stdio-with-raii.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-stdio-with-raii.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-stdio.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-stdio.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-stdio.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-stdio.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-stdio.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-stdio.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-synthesize-rightshift-and-rightshifteq.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-synthesize-rightshift-and-rightshifteq.cpp.execution
new file mode 100644
index 000000000..b8626c4cf
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-synthesize-rightshift-and-rightshifteq.cpp.execution
@@ -0,0 +1 @@
+4
diff --git a/regression-tests/test-results/msvc-2022/pure2-synthesize-rightshift-and-rightshifteq.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-synthesize-rightshift-and-rightshifteq.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-synthesize-rightshift-and-rightshifteq.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-synthesize-rightshift-and-rightshifteq.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-template-parameter-lists.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-template-parameter-lists.cpp.execution
new file mode 100644
index 000000000..2861a7a20
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-template-parameter-lists.cpp.execution
@@ -0,0 +1,4 @@
+f1: 2
+f2: 4
+f3: 6
+f4: 8
diff --git a/regression-tests/test-results/msvc-2022/pure2-template-parameter-lists.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-template-parameter-lists.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-template-parameter-lists.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-template-parameter-lists.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-trailing-commas.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-trailing-commas.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-trailing-commas.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-trailing-commas.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-trailing-commas.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-trailing-commas.cpp.output
diff --git a/regression-tests/test-results/msvc-2022/pure2-type-and-namespace-aliases.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-type-and-namespace-aliases.cpp.execution
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-type-and-namespace-aliases.cpp.execution
rename to regression-tests/test-results/msvc-2022-c++20/pure2-type-and-namespace-aliases.cpp.execution
diff --git a/regression-tests/test-results/msvc-2022/pure2-type-and-namespace-aliases.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-type-and-namespace-aliases.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-type-and-namespace-aliases.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-type-and-namespace-aliases.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-1.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-1.cpp.execution
new file mode 100644
index 000000000..d1aa6265a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-1.cpp.execution
@@ -0,0 +1,9 @@
+                         double is int? false
+      variant<int, int, double> is int? false
+                            any is int? false
+                  optional<int> is int? false
+
+                            int is int? true
+      variant<int, int, double> is int? true
+                            any is int? true
+                  optional<int> is int? true
diff --git a/regression-tests/test-results/msvc-2022/pure2-type-safety-1.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-1.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-type-safety-1.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-1.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-2-with-inspect-expression.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-2-with-inspect-expression.cpp.execution
new file mode 100644
index 000000000..7045a6e79
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-2-with-inspect-expression.cpp.execution
@@ -0,0 +1,8 @@
+                        double value is not an int
+     variant<int, double, int> value is not an int
+                           any value is not an int
+                 optional<int> value is not an int
+                           int value is 42
+     variant<int, double, int> value is 1
+                           any value is 2
+                 optional<int> value is 3
diff --git a/regression-tests/test-results/msvc-2022/pure2-type-safety-2-with-inspect-expression.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-2-with-inspect-expression.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-type-safety-2-with-inspect-expression.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-type-safety-2-with-inspect-expression.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-basics.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-basics.cpp.execution
new file mode 100644
index 000000000..96b31fc42
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-basics.cpp.execution
@@ -0,0 +1,27 @@
+myclass: implicit from int
+    data: 1, more: 504
+N::myclass::f with 53
+N::myclass::nested::g
+f1: 2
+f2: 4
+f3: 6
+f4: 8
+myclass: explicit from string
+    data: 99, more: abracadabra
+myclass: default
+    data: 504, more: 3.141590
+myclass: from int and string
+    data: 77, more: hair1 plugh
+x's state before assignments:     data: 1, more: 504
+myclass: implicit from int
+    data: 84, more: 504
+myclass: explicit from string
+    data: 99, more: syzygy
+myclass: implicit from int
+    data: 84, more: 504
+myclass: explicit from string
+    data: 99, more: syzygy
+myclass: destructor
+myclass: destructor
+myclass: destructor
+myclass: destructor
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-basics.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-basics.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-basics.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-basics.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-down-upcast.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-down-upcast.cpp.execution
new file mode 100644
index 000000000..20751af06
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-down-upcast.cpp.execution
@@ -0,0 +1,24 @@
+const foo 
+const foo 
+const foo 
+const foo 
+foo 
+foo 
+Call B const: 0.000000
+Call B const: 0.000000
+Call A const: 0
+Call B const: 0.000000
+Call B const: 0.000000
+Call A const: 0
+Call B mut: 0.000000
+Call B mut: 0.000000
+Call A mut: 0
+Call A const: 0
+Call B const: 0.000000
+Call A const: 0
+Call A const: 0
+Call B const: 0.000000
+Call A const: 0
+Call A mut: 0
+Call B mut: 0.000000
+Call A mut: 0
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-down-upcast.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-down-upcast.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-down-upcast.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-down-upcast.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-inheritance.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-inheritance.cpp.execution
new file mode 100644
index 000000000..809430aaa
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-inheritance.cpp.execution
@@ -0,0 +1,5 @@
+Parsnip checks in for the day's shift
+printing: Parsnip lives at 123 Main St.
+-> [vcall: make_speak] Parsnip cracks a few jokes with a coworker
+-> [vcall: do_work] Parsnip carries some half-tonne crates of Fe2O3 to cold storage
+Tired but satisfied after another successful day, Parsnip checks out and goes home to their family
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-inheritance.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-inheritance.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-inheritance.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-inheritance.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-order-independence-and-nesting.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-order-independence-and-nesting.cpp.execution
new file mode 100644
index 000000000..cc716cc8c
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-order-independence-and-nesting.cpp.execution
@@ -0,0 +1,5 @@
+made a safely initialized cycle
+leaving call to 'why(5)'
+leaving call to 'why(3)'
+leaving call to 'why(1)'
+hallo welt
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-order-independence-and-nesting.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-order-independence-and-nesting.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-order-independence-and-nesting.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-order-independence-and-nesting.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-ordering-via-meta-functions.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-ordering-via-meta-functions.cpp.execution
new file mode 100644
index 000000000..54b3aab09
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-ordering-via-meta-functions.cpp.execution
@@ -0,0 +1 @@
+less more less
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-ordering-via-meta-functions.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-ordering-via-meta-functions.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-ordering-via-meta-functions.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-ordering-via-meta-functions.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-1-provide-everything.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-1-provide-everything.cpp.execution
new file mode 100644
index 000000000..fc5a23bde
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-1-provide-everything.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - move             mv-construct  [ Clara(CM) | 123 Ford Dr. ] <- [  |  ]
+assign - copy           cp-assign     [ Clara | 123 Ford Dr.(AC) ] <- [ Clara | 123 Ford Dr. ]
+assign - move           mv-assign     [ Clara | 123 Ford Dr. ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-1-provide-everything.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-1-provide-everything.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-1-provide-everything.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-1-provide-everything.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.execution
new file mode 100644
index 000000000..7cbf0f869
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - move             mv-construct  [ Clara(CM) | 123 Ford Dr. ] <- [  |  ]
+assign - copy           cp-assign     [ Clara | 123 Ford Dr.(AC) ] <- [ Clara | 123 Ford Dr. ]
+assign - copy           mv-assign     [ Clara | 123 Ford Dr.(AC) ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.execution
new file mode 100644
index 000000000..541b2a0d9
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - move             mv-construct  [ Clara(CM) | 123 Ford Dr. ] <- [  |  ]
+ctor - copy (GENERAL)   cp-assign     [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+assign - move           mv-assign     [ Clara | 123 Ford Dr. ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.execution
new file mode 100644
index 000000000..24d4e763a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   mv-construct  [ Clara | 123 Ford Dr. ] <- [  |  ]
+assign - copy           cp-assign     [ Clara | 123 Ford Dr.(AC) ] <- [ Clara | 123 Ford Dr. ]
+assign - move           mv-assign     [ Clara | 123 Ford Dr. ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.execution
new file mode 100644
index 000000000..c387c0371
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   mv-construct  [ Clara | 123 Ford Dr. ] <- [  |  ]
+ctor - copy (GENERAL)   cp-assign     [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   mv-assign     [ Clara | 123 Ford Dr. ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-that-parameters.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-that-parameters.cpp.execution
new file mode 100644
index 000000000..abd49e623
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-that-parameters.cpp.execution
@@ -0,0 +1,7 @@
+name 'Henry', addr '123 Ford Dr.'
+-----
+name 'Henry', addr '123 Ford Dr.'
+name 'Henry', addr '123 Ford Dr.'
+-----
+name '', addr ''
+name 'Henry', addr '123 Ford Dr.'
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-that-parameters.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-that-parameters.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-that-parameters.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-that-parameters.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-types-value-types-via-meta-functions.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-types-value-types-via-meta-functions.cpp.execution
new file mode 100644
index 000000000..daee7bf51
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-types-value-types-via-meta-functions.cpp.execution
@@ -0,0 +1 @@
+less less less 
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022/pure2-types-value-types-via-meta-functions.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-types-value-types-via-meta-functions.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-types-value-types-via-meta-functions.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-types-value-types-via-meta-functions.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-ufcs-member-access-and-chaining.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-ufcs-member-access-and-chaining.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-ufcs-member-access-and-chaining.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-ufcs-member-access-and-chaining.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-ufcs-member-access-and-chaining.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-ufcs-member-access-and-chaining.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-union.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-union.cpp.execution
new file mode 100644
index 000000000..e52daad8e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-union.cpp.execution
@@ -0,0 +1,4 @@
+sizeof(x) - alignof(x) == max(sizeof(fields)) is true
+(not a name)
+xyz
+42
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022/pure2-union.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-union.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-union.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-union.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-variadics.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-variadics.cpp.execution
new file mode 100644
index 000000000..53bc692f9
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/pure2-variadics.cpp.execution
@@ -0,0 +1,7 @@
+xyz
+plu
+abr
+3.14word-1500
+first all() returned false
+second all() returned true
+sum of (1, 2, 3, 100) is: 106
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022/pure2-variadics.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-variadics.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-variadics.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-variadics.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++20/pure2-various-string-literals.cpp.execution b/regression-tests/test-results/msvc-2022-c++20/pure2-various-string-literals.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022/pure2-various-string-literals.cpp.output b/regression-tests/test-results/msvc-2022-c++20/pure2-various-string-literals.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-various-string-literals.cpp.output
rename to regression-tests/test-results/msvc-2022-c++20/pure2-various-string-literals.cpp.output
diff --git a/regression-tests/test-results/msvc-2022/run-tests-msvc-2022.bat b/regression-tests/test-results/msvc-2022-c++20/run-tests-msvc-2022.bat
similarity index 100%
rename from regression-tests/test-results/msvc-2022/run-tests-msvc-2022.bat
rename to regression-tests/test-results/msvc-2022-c++20/run-tests-msvc-2022.bat
diff --git a/regression-tests/test-results/msvc-2022-c++20/xyzzy b/regression-tests/test-results/msvc-2022-c++20/xyzzy
new file mode 100644
index 000000000..805bcb853
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++20/xyzzy
@@ -0,0 +1 @@
+Hello Fred with UFCS!
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022-c++latest/MSVC-version.output b/regression-tests/test-results/msvc-2022-c++latest/MSVC-version.output
new file mode 100644
index 000000000..ba2c3c80f
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/MSVC-version.output
@@ -0,0 +1,3 @@
+Microsoft (R) C/C++ Optimizing Compiler Version 19.39.33523 for x86
+Copyright (C) Microsoft Corporation.  All rights reserved.
+
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-allcpp1-hello.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-allcpp1-hello.cpp.execution
new file mode 100644
index 000000000..802992c42
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-allcpp1-hello.cpp.execution
@@ -0,0 +1 @@
+Hello world
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-allcpp1-hello.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-allcpp1-hello.cpp.output
new file mode 100644
index 000000000..86a375fbe
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-allcpp1-hello.cpp.output
@@ -0,0 +1 @@
+mixed-allcpp1-hello.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-as-for-variant-20-types.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-as-for-variant-20-types.cpp.execution
new file mode 100644
index 000000000..5e2c9d82e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-as-for-variant-20-types.cpp.execution
@@ -0,0 +1,60 @@
+v as X< 0> = 0
+v as X< 1> = 1
+v as X< 2> = 2
+v as X< 3> = 3
+v as X< 4> = 4
+v as X< 5> = 5
+v as X< 6> = 6
+v as X< 7> = 7
+v as X< 8> = 8
+v as X< 9> = 9
+v as X<10> = 10
+v as X<11> = 11
+v as X<12> = 12
+v as X<13> = 13
+v as X<14> = 14
+v as X<15> = 15
+v as X<16> = 16
+v as X<17> = 17
+v as X<18> = 18
+v as X<19> = 19
+as_const(v) as X< 0> = 0
+as_const(v) as X< 1> = 1
+as_const(v) as X< 2> = 2
+as_const(v) as X< 3> = 3
+as_const(v) as X< 4> = 4
+as_const(v) as X< 5> = 5
+as_const(v) as X< 6> = 6
+as_const(v) as X< 7> = 7
+as_const(v) as X< 8> = 8
+as_const(v) as X< 9> = 9
+as_const(v) as X<10> = 10
+as_const(v) as X<11> = 11
+as_const(v) as X<12> = 12
+as_const(v) as X<13> = 13
+as_const(v) as X<14> = 14
+as_const(v) as X<15> = 15
+as_const(v) as X<16> = 16
+as_const(v) as X<17> = 17
+as_const(v) as X<18> = 18
+as_const(v) as X<19> = 19
+move(v) as X< 0> = 0
+move(v) as X< 1> = 1
+move(v) as X< 2> = 2
+move(v) as X< 3> = 3
+move(v) as X< 4> = 4
+move(v) as X< 5> = 5
+move(v) as X< 6> = 6
+move(v) as X< 7> = 7
+move(v) as X< 8> = 8
+move(v) as X< 9> = 9
+move(v) as X<10> = 10
+move(v) as X<11> = 11
+move(v) as X<12> = 12
+move(v) as X<13> = 13
+move(v) as X<14> = 14
+move(v) as X<15> = 15
+move(v) as X<16> = 16
+move(v) as X<17> = 17
+move(v) as X<18> = 18
+move(v) as X<19> = 19
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-as-for-variant-20-types.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-as-for-variant-20-types.cpp.output
new file mode 100644
index 000000000..5a1c1486a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-as-for-variant-20-types.cpp.output
@@ -0,0 +1 @@
+mixed-as-for-variant-20-types.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-check.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-check.cpp.execution
new file mode 100644
index 000000000..8474b9159
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-check.cpp.execution
@@ -0,0 +1 @@
+Bounds safety violation: out of bounds access attempt detected - attempted access at index 5, [min,max] range is [0,4]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-check.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-check.cpp.output
new file mode 100644
index 000000000..9ee4b1599
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-check.cpp.output
@@ -0,0 +1 @@
+mixed-bounds-check.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert-2.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert-2.cpp.execution
new file mode 100644
index 000000000..6330ca570
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert-2.cpp.execution
@@ -0,0 +1,5 @@
+1
+44
+45
+46
+5
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert-2.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert-2.cpp.output
new file mode 100644
index 000000000..3ca6492a6
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert-2.cpp.output
@@ -0,0 +1 @@
+mixed-bounds-safety-with-assert-2.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert.cpp.execution
new file mode 100644
index 000000000..776dc1460
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert.cpp.execution
@@ -0,0 +1 @@
+Bounds safety violation
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert.cpp.output
new file mode 100644
index 000000000..e3a12dc06
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-bounds-safety-with-assert.cpp.output
@@ -0,0 +1 @@
+mixed-bounds-safety-with-assert.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output
new file mode 100644
index 000000000..220d9f379
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp.output
@@ -0,0 +1 @@
+mixed-bugfix-for-cpp2-comment-cpp1-sequence.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-literal-as-nttp.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-literal-as-nttp.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-literal-as-nttp.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-literal-as-nttp.cpp.output
new file mode 100644
index 000000000..18fd52ba9
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-literal-as-nttp.cpp.output
@@ -0,0 +1 @@
+mixed-bugfix-for-literal-as-nttp.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-ufcs-non-local.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-ufcs-non-local.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-ufcs-non-local.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-ufcs-non-local.cpp.output
new file mode 100644
index 000000000..f3f5e9025
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-bugfix-for-ufcs-non-local.cpp.output
@@ -0,0 +1 @@
+mixed-bugfix-for-ufcs-non-local.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-captures-in-expressions-and-postconditions.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-captures-in-expressions-and-postconditions.cpp.execution
new file mode 100644
index 000000000..dfca5b9a3
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-captures-in-expressions-and-postconditions.cpp.execution
@@ -0,0 +1,4 @@
+hello
+2022
+hello-ish
+2022-ish
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-captures-in-expressions-and-postconditions.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-captures-in-expressions-and-postconditions.cpp.output
new file mode 100644
index 000000000..3456b8e70
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-captures-in-expressions-and-postconditions.cpp.output
@@ -0,0 +1 @@
+mixed-captures-in-expressions-and-postconditions.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-fixed-type-aliases.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-fixed-type-aliases.cpp.execution
new file mode 100644
index 000000000..3122e6030
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-fixed-type-aliases.cpp.execution
@@ -0,0 +1,4 @@
+true
+false
+"test.exe"
+true
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-fixed-type-aliases.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-fixed-type-aliases.cpp.output
new file mode 100644
index 000000000..becf536ff
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-fixed-type-aliases.cpp.output
@@ -0,0 +1 @@
+mixed-fixed-type-aliases.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-float-literals.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-float-literals.cpp.execution
new file mode 100644
index 000000000..6b15b12bc
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-float-literals.cpp.execution
@@ -0,0 +1,72 @@
+123
+123
+123
+123
+123
+123
+123456
+123
+123
+123
+123
+123
+123
+123456
+123456
+123456
+456
+456
+1e+10
+1e+10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+123456
+123456
+456
+456
+1e+10
+1e+10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+123
+123
+123
+123
+123
+123
+123456
+123
+123
+123
+123
+123
+123
+123456
+123456
+456
+1e+10
+1e+10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
+123456
+456
+1e+10
+1e+10
+1e-10
+1e-10
+1e-10
+1e-10
+1e-10
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-float-literals.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-float-literals.cpp.output
new file mode 100644
index 000000000..88d9ba25d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-float-literals.cpp.output
@@ -0,0 +1 @@
+mixed-float-literals.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-forwarding.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-forwarding.cpp.execution
new file mode 100644
index 000000000..952feac3b
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-forwarding.cpp.execution
@@ -0,0 +1,12 @@
++X 1
++X 2
+copy X 1
+copy X 2
+copy X 1
+move X 2
++X 3
++X 4
+copy X 3
+copy X 4
+move X 3
+move X 4
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-forwarding.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-forwarding.cpp.output
new file mode 100644
index 000000000..fde27181e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-forwarding.cpp.output
@@ -0,0 +1 @@
+mixed-forwarding.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-for-each.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-for-each.cpp.execution
new file mode 100644
index 000000000..728fbcc8f
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-for-each.cpp.execution
@@ -0,0 +1,2 @@
+hello-ish maybe
+2022-ish maybe
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-for-each.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-for-each.cpp.output
new file mode 100644
index 000000000..07a403c21
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-for-each.cpp.output
@@ -0,0 +1 @@
+mixed-function-expression-and-std-for-each.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution
new file mode 100644
index 000000000..dfca5b9a3
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.execution
@@ -0,0 +1,4 @@
+hello
+2022
+hello-ish
+2022-ish
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
new file mode 100644
index 000000000..99262261e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each-with-capture.cpp.output
@@ -0,0 +1 @@
+mixed-function-expression-and-std-ranges-for-each-with-capture.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each.cpp.execution
new file mode 100644
index 000000000..dfca5b9a3
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each.cpp.execution
@@ -0,0 +1,4 @@
+hello
+2022
+hello-ish
+2022-ish
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each.cpp.output
new file mode 100644
index 000000000..7a3f4c717
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-and-std-ranges-for-each.cpp.output
@@ -0,0 +1 @@
+mixed-function-expression-and-std-ranges-for-each.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-pointer-capture.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-pointer-capture.cpp.execution
new file mode 100644
index 000000000..e9d6a083f
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-pointer-capture.cpp.execution
@@ -0,0 +1,6 @@
+
+hello
+
+2023
+hello-ish
+2023-ish
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-pointer-capture.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-pointer-capture.cpp.output
new file mode 100644
index 000000000..82f6bcf2b
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-pointer-capture.cpp.output
@@ -0,0 +1 @@
+mixed-function-expression-with-pointer-capture.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-repeated-capture.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-repeated-capture.cpp.execution
new file mode 100644
index 000000000..137aaec33
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-repeated-capture.cpp.execution
@@ -0,0 +1,6 @@
+
+hello
+
+2022
+hello-ish
+2022-ish
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-repeated-capture.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-repeated-capture.cpp.output
new file mode 100644
index 000000000..b14c8c989
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-function-expression-with-repeated-capture.cpp.output
@@ -0,0 +1 @@
+mixed-function-expression-with-repeated-capture.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-hello.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-hello.cpp.execution
new file mode 100644
index 000000000..c8848197e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-hello.cpp.execution
@@ -0,0 +1 @@
+Hello [world]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-hello.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-hello.cpp.output
new file mode 100644
index 000000000..8f2ebaa7d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-hello.cpp.output
@@ -0,0 +1 @@
+mixed-hello.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-increment-decrement.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-increment-decrement.cpp.execution
new file mode 100644
index 000000000..6f42aeb32
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-increment-decrement.cpp.execution
@@ -0,0 +1,2 @@
+12234
+12234
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-increment-decrement.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-increment-decrement.cpp.output
new file mode 100644
index 000000000..83e40edd0
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-increment-decrement.cpp.output
@@ -0,0 +1 @@
+mixed-increment-decrement.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3-contract-violation.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3-contract-violation.cpp.execution
new file mode 100644
index 000000000..e16104fe5
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3-contract-violation.cpp.execution
@@ -0,0 +1 @@
+Contract violation: fill: value must contain at least count elements
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3-contract-violation.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3-contract-violation.cpp.output
new file mode 100644
index 000000000..48ee8166d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3-contract-violation.cpp.output
@@ -0,0 +1 @@
+mixed-initialization-safety-3-contract-violation.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3.cpp.execution
new file mode 100644
index 000000000..b261dd86c
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3.cpp.execution
@@ -0,0 +1 @@
+>> [xyzzy]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3.cpp.output
new file mode 100644
index 000000000..ce1768dcb
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-initialization-safety-3.cpp.output
@@ -0,0 +1 @@
+mixed-initialization-safety-3.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-templates.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-templates.cpp.execution
new file mode 100644
index 000000000..03cdf50b7
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-templates.cpp.execution
@@ -0,0 +1,8 @@
+inspected vec : std::vector
+inspected arr : std::array
+inspected var : std::variant
+inspected myt : my_type
+inspected vec : std::vector
+inspected arr : std::array
+inspected var : std::variant
+inspected myt : my_type
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-templates.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-templates.cpp.output
new file mode 100644
index 000000000..ec741a8ce
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-templates.cpp.output
@@ -0,0 +1 @@
+mixed-inspect-templates.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values-2.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values-2.cpp.execution
new file mode 100644
index 000000000..8372eadca
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values-2.cpp.execution
@@ -0,0 +1,5 @@
+i is between 11 and 20
+less than 20
+i is between 10 and 30
+v is empty
+v is empty
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values-2.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values-2.cpp.output
new file mode 100644
index 000000000..4a11a301e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values-2.cpp.output
@@ -0,0 +1 @@
+mixed-inspect-values-2.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values.cpp.execution
new file mode 100644
index 000000000..e7130e0f8
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values.cpp.execution
@@ -0,0 +1,12 @@
+rev dodgson
+(no match)
+the answer
+zero
+plugh
+zero
+1 or 2
+1 or 2
+3
+integer -42
+xyzzy
+(no match)
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values.cpp.output
new file mode 100644
index 000000000..9ca15cda4
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-values.cpp.output
@@ -0,0 +1 @@
+mixed-inspect-values.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-with-typeof-of-template-arg-list.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-with-typeof-of-template-arg-list.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-with-typeof-of-template-arg-list.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-with-typeof-of-template-arg-list.cpp.output
new file mode 100644
index 000000000..0baee193e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-inspect-with-typeof-of-template-arg-list.cpp.output
@@ -0,0 +1 @@
+mixed-inspect-with-typeof-of-template-arg-list.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-example-three-loops.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-example-three-loops.cpp.execution
new file mode 100644
index 000000000..984a60a83
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-example-three-loops.cpp.execution
@@ -0,0 +1,7 @@
+>> hello
+>> big
+>> world
+  **  **  **
+>> [hello]
+>> [big]
+>> [world]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-example-three-loops.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-example-three-loops.cpp.output
new file mode 100644
index 000000000..1874d7f40
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-example-three-loops.cpp.output
@@ -0,0 +1 @@
+mixed-intro-example-three-loops.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-for-with-counter-include-last.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-for-with-counter-include-last.cpp.execution
new file mode 100644
index 000000000..05961867a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-for-with-counter-include-last.cpp.execution
@@ -0,0 +1,5 @@
+1 42
+2 84
+3 168
+4 336
+5 672
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-for-with-counter-include-last.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-for-with-counter-include-last.cpp.output
new file mode 100644
index 000000000..47d4e6fd7
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-intro-for-with-counter-include-last.cpp.output
@@ -0,0 +1 @@
+mixed-intro-for-with-counter-include-last.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-and-null-contracts.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-and-null-contracts.cpp.execution
new file mode 100644
index 000000000..f4dd62312
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-and-null-contracts.cpp.execution
@@ -0,0 +1 @@
+sending error to my framework... [dynamic null dereference attempt detected]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-and-null-contracts.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-and-null-contracts.cpp.output
new file mode 100644
index 000000000..d94f9aa88
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-and-null-contracts.cpp.output
@@ -0,0 +1 @@
+mixed-lifetime-safety-and-null-contracts.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-pointer-init-4.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-pointer-init-4.cpp.execution
new file mode 100644
index 000000000..7ee4d37b2
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-pointer-init-4.cpp.execution
@@ -0,0 +1 @@
+>> 42
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-pointer-init-4.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-pointer-init-4.cpp.output
new file mode 100644
index 000000000..e5ad52049
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-lifetime-safety-pointer-init-4.cpp.output
@@ -0,0 +1 @@
+mixed-lifetime-safety-pointer-init-4.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-multiple-return-values.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-multiple-return-values.cpp.execution
new file mode 100644
index 000000000..b3fc65a7c
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-multiple-return-values.cpp.execution
@@ -0,0 +1,2 @@
+a is 10
+b is xyzzy
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-multiple-return-values.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-multiple-return-values.cpp.output
new file mode 100644
index 000000000..4840a9b5a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-multiple-return-values.cpp.output
@@ -0,0 +1 @@
+mixed-multiple-return-values.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-out-destruction.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-out-destruction.cpp.execution
new file mode 100644
index 000000000..df8e3e4ff
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-out-destruction.cpp.execution
@@ -0,0 +1,21 @@
+enter main
+enter f00
+enter f01
++X 1
+exit f01
+-X 1
+exit f00
+
+enter f10
+enter f11
+enter f12
+enter f13
+enter f14
++X 2
+exit f14
+exit f13
+exit f12
+-X 2
+exit f11
+exit f10
+exit main
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-out-destruction.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-out-destruction.cpp.output
new file mode 100644
index 000000000..84944483c
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-out-destruction.cpp.output
@@ -0,0 +1 @@
+mixed-out-destruction.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-generic-out.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-generic-out.cpp.execution
new file mode 100644
index 000000000..982a789cf
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-generic-out.cpp.execution
@@ -0,0 +1,2 @@
+42
+exxxx
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-generic-out.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-generic-out.cpp.output
new file mode 100644
index 000000000..b925af34c
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-generic-out.cpp.output
@@ -0,0 +1 @@
+mixed-parameter-passing-generic-out.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-with-forward.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-with-forward.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-with-forward.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-with-forward.cpp.output
new file mode 100644
index 000000000..fed8c6373
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing-with-forward.cpp.output
@@ -0,0 +1 @@
+mixed-parameter-passing-with-forward.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing.cpp.output
new file mode 100644
index 000000000..195c5a96b
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-parameter-passing.cpp.output
@@ -0,0 +1 @@
+mixed-parameter-passing.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-postexpression-with-capture.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-postexpression-with-capture.cpp.execution
new file mode 100644
index 000000000..a17035eda
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-postexpression-with-capture.cpp.execution
@@ -0,0 +1,2 @@
+xyzzy and plugh
+xyzzyplugh
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-postexpression-with-capture.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-postexpression-with-capture.cpp.output
new file mode 100644
index 000000000..6bc493909
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-postexpression-with-capture.cpp.output
@@ -0,0 +1 @@
+mixed-postexpression-with-capture.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-postfix-expression-custom-formatting.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-postfix-expression-custom-formatting.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-postfix-expression-custom-formatting.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-postfix-expression-custom-formatting.cpp.output
new file mode 100644
index 000000000..8cc7a3df4
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-postfix-expression-custom-formatting.cpp.output
@@ -0,0 +1 @@
+mixed-postfix-expression-custom-formatting.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-string-interpolation.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-string-interpolation.cpp.execution
new file mode 100644
index 000000000..eebb290a9
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-string-interpolation.cpp.execution
@@ -0,0 +1,17 @@
+a = 2, b = (empty)
+a^2 + b = 46
+sv = my string_view
+osv = (empty)
+osv = string literal bound to optional string_view
+var = (empty)
+var = abracadabra
+var = 2.718280
+mypair = (12, 3.400000)
+tup1 = (12)
+tup2 = (12, 3.400000)
+tup3 = (12, 3.400000, 456)
+p = (first, (empty))
+t = (3.140000, (empty), (empty))
+vv = 0
+vv = (1, 2.300000)
+custom = (customize me - no cpp2::to_string overload exists for this type)
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-string-interpolation.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-string-interpolation.cpp.output
new file mode 100644
index 000000000..814f0d905
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-string-interpolation.cpp.output
@@ -0,0 +1 @@
+mixed-string-interpolation.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-test-parens.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-test-parens.cpp.execution
new file mode 100644
index 000000000..59967f29d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-test-parens.cpp.execution
@@ -0,0 +1,3 @@
+11
+12
+13*14 is 182
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-test-parens.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-test-parens.cpp.output
new file mode 100644
index 000000000..a2eae8e8e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-test-parens.cpp.output
@@ -0,0 +1 @@
+mixed-test-parens.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-type-safety-1.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-type-safety-1.cpp.execution
new file mode 100644
index 000000000..f1a0d084e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-type-safety-1.cpp.execution
@@ -0,0 +1,6 @@
+1.1 is int? false
+1   is int? true
+
+s* is Shape?  true
+s* is Circle? true
+s* is Square? false
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-type-safety-1.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-type-safety-1.cpp.output
new file mode 100644
index 000000000..c1f46ad66
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-type-safety-1.cpp.output
@@ -0,0 +1 @@
+mixed-type-safety-1.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-ufcs-multiple-template-arguments.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/mixed-ufcs-multiple-template-arguments.cpp.execution
new file mode 100644
index 000000000..dec75369f
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-ufcs-multiple-template-arguments.cpp.execution
@@ -0,0 +1,2 @@
+rain
+rain
diff --git a/regression-tests/test-results/msvc-2022-c++latest/mixed-ufcs-multiple-template-arguments.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/mixed-ufcs-multiple-template-arguments.cpp.output
new file mode 100644
index 000000000..4eae503ce
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/mixed-ufcs-multiple-template-arguments.cpp.output
@@ -0,0 +1 @@
+mixed-ufcs-multiple-template-arguments.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-expected-not-null.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-expected-not-null.cpp.execution
new file mode 100644
index 000000000..8887aa1aa
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-expected-not-null.cpp.execution
@@ -0,0 +1 @@
+Null safety violation: std::expected has an unexpected value
diff --git a/regression-tests/test-results/msvc-2022/pure2-assert-expected-not-null.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-expected-not-null.cpp.output
similarity index 100%
rename from regression-tests/test-results/msvc-2022/pure2-assert-expected-not-null.cpp.output
rename to regression-tests/test-results/msvc-2022-c++latest/pure2-assert-expected-not-null.cpp.output
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-optional-not-null.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-optional-not-null.cpp.execution
new file mode 100644
index 000000000..c6aeba0fd
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-optional-not-null.cpp.execution
@@ -0,0 +1 @@
+Null safety violation: std::optional does not contain a value
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-optional-not-null.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-optional-not-null.cpp.output
new file mode 100644
index 000000000..ac5c880cd
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-optional-not-null.cpp.output
@@ -0,0 +1 @@
+pure2-assert-optional-not-null.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-shared-ptr-not-null.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-shared-ptr-not-null.cpp.execution
new file mode 100644
index 000000000..85aafbe6a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-shared-ptr-not-null.cpp.execution
@@ -0,0 +1 @@
+Null safety violation: std::shared_ptr is empty
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-shared-ptr-not-null.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-shared-ptr-not-null.cpp.output
new file mode 100644
index 000000000..28a635c28
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-shared-ptr-not-null.cpp.output
@@ -0,0 +1 @@
+pure2-assert-shared-ptr-not-null.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-unique-ptr-not-null.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-unique-ptr-not-null.cpp.execution
new file mode 100644
index 000000000..af633d171
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-unique-ptr-not-null.cpp.execution
@@ -0,0 +1 @@
+Null safety violation: std::unique_ptr is empty
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-unique-ptr-not-null.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-unique-ptr-not-null.cpp.output
new file mode 100644
index 000000000..7d1d60b4e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-assert-unique-ptr-not-null.cpp.output
@@ -0,0 +1 @@
+pure2-assert-unique-ptr-not-null.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bounds-safety-span.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bounds-safety-span.cpp.execution
new file mode 100644
index 000000000..3a0304fa2
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bounds-safety-span.cpp.execution
@@ -0,0 +1,3 @@
+>> decorated
+>> hello
+>> world
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bounds-safety-span.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bounds-safety-span.cpp.output
new file mode 100644
index 000000000..20a78540c
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bounds-safety-span.cpp.output
@@ -0,0 +1 @@
+pure2-bounds-safety-span.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-break-continue.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-break-continue.cpp.execution
new file mode 100644
index 000000000..c8af55771
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-break-continue.cpp.execution
@@ -0,0 +1,26 @@
+while_continue_inner:
+  00 inner 01 02 inner outer 10 inner 11 12 inner outer 20 inner 21 22 inner outer 
+while_continue_outer:
+  00 inner 01 10 inner 11 20 inner 21 
+while_break_inner:
+  00 inner 01 outer 10 inner 11 outer 20 inner 21 outer 
+while_break_outer:
+  00 inner 01 
+
+do_continue_inner:
+  00 inner 01 02 inner outer 10 inner 11 12 inner outer 20 inner 21 22 inner outer 
+do_continue_outer:
+  00 inner 01 10 inner 11 20 inner 21 
+do_break_inner:
+  00 inner 01 outer 10 inner 11 outer 20 inner 21 outer 
+do_break_outer:
+  00 inner 01 
+
+for_continue_inner:
+  00 inner 01 02 inner outer 10 inner 11 12 inner outer 20 inner 21 22 inner outer 
+for_continue_outer:
+  00 inner 01 10 inner 11 20 inner 21 
+for_break_inner:
+  00 inner 01 outer 10 inner 11 outer 20 inner 21 outer 
+for_break_outer:
+  00 inner 01 
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-break-continue.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-break-continue.cpp.output
new file mode 100644
index 000000000..80bde778d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-break-continue.cpp.output
@@ -0,0 +1 @@
+pure2-break-continue.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-assign-expression-list.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-assign-expression-list.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-assign-expression-list.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-assign-expression-list.cpp.output
new file mode 100644
index 000000000..a6ae9f44a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-assign-expression-list.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-assign-expression-list.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-discard-precedence.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-discard-precedence.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-discard-precedence.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-discard-precedence.cpp.output
new file mode 100644
index 000000000..783665cd0
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-discard-precedence.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-discard-precedence.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-indexed-call.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-indexed-call.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-indexed-call.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-indexed-call.cpp.output
new file mode 100644
index 000000000..1287434d5
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-indexed-call.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-indexed-call.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-max-munch.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-max-munch.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-max-munch.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-max-munch.cpp.output
new file mode 100644
index 000000000..566c4d693
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-max-munch.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-max-munch.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-memberwise-base-assignment.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-memberwise-base-assignment.cpp.execution
new file mode 100644
index 000000000..566837e51
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-memberwise-base-assignment.cpp.execution
@@ -0,0 +1,2 @@
+(out this, that)
+(out this, that)
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-memberwise-base-assignment.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-memberwise-base-assignment.cpp.output
new file mode 100644
index 000000000..8927219d7
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-memberwise-base-assignment.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-memberwise-base-assignment.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.output
new file mode 100644
index 000000000..f0a96b463
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-name-lookup-and-value-decoration.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-name-lookup-and-value-decoration.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-function-expression.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-function-expression.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-function-expression.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-function-expression.cpp.output
new file mode 100644
index 000000000..83fcf4bec
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-function-expression.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-non-local-function-expression.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-initialization.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-initialization.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-initialization.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-initialization.cpp.output
new file mode 100644
index 000000000..9fd01a3d0
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-non-local-initialization.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-non-local-initialization.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-optional-template-argument-list.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-optional-template-argument-list.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-optional-template-argument-list.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-optional-template-argument-list.cpp.output
new file mode 100644
index 000000000..d49488a64
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-optional-template-argument-list.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-optional-template-argument-list.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.output
new file mode 100644
index 000000000..fa01371ee
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-in-forward-declaration.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-requires-clause-in-forward-declaration.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.output
new file mode 100644
index 000000000..2e5bc8e9f
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-requires-clause-unbraced-function-initializer.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-template-argument.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-template-argument.cpp.execution
new file mode 100644
index 000000000..c508d5366
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-template-argument.cpp.execution
@@ -0,0 +1 @@
+false
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-template-argument.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-template-argument.cpp.output
new file mode 100644
index 000000000..2b2d765d2
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-template-argument.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-template-argument.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-arguments.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-arguments.cpp.execution
new file mode 100644
index 000000000..0e41b7819
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-arguments.cpp.execution
@@ -0,0 +1,4 @@
+0123456789
+9
+0123456789
+9
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-arguments.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-arguments.cpp.output
new file mode 100644
index 000000000..c20b9908a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-arguments.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-ufcs-arguments.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-name-lookup.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-name-lookup.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-name-lookup.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-name-lookup.cpp.output
new file mode 100644
index 000000000..cfe4625ad
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-name-lookup.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-ufcs-name-lookup.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-noexcept.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-noexcept.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-noexcept.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-noexcept.cpp.output
new file mode 100644
index 000000000..c7322ce84
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-noexcept.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-ufcs-noexcept.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-sfinae.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-sfinae.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-sfinae.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-sfinae.cpp.output
new file mode 100644
index 000000000..5d72f9750
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-ufcs-sfinae.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-ufcs-sfinae.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-unbraced-function-expression.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-unbraced-function-expression.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-unbraced-function-expression.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-unbraced-function-expression.cpp.output
new file mode 100644
index 000000000..57e058827
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-unbraced-function-expression.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-unbraced-function-expression.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-variable-template.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-variable-template.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-variable-template.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-variable-template.cpp.output
new file mode 100644
index 000000000..c58ee5a51
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-bugfix-for-variable-template.cpp.output
@@ -0,0 +1 @@
+pure2-bugfix-for-variable-template.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-chained-comparisons.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-chained-comparisons.cpp.execution
new file mode 100644
index 000000000..b41a1bf75
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-chained-comparisons.cpp.execution
@@ -0,0 +1,27 @@
+0 0 0: true false false
+0 0 1: false false false
+0 0 2: false false false
+0 1 0: false false false
+0 1 1: false true false
+0 1 2: false true false
+0 2 0: false false false
+0 2 1: false false false
+0 2 2: false true false
+1 0 0: false false false
+1 0 1: false false false
+1 0 2: false false false
+1 1 0: false false true
+1 1 1: true false false
+1 1 2: false false false
+1 2 0: false false false
+1 2 1: false false false
+1 2 2: false true false
+2 0 0: false false false
+2 0 1: false false false
+2 0 2: false false false
+2 1 0: false false true
+2 1 1: false false false
+2 1 2: false false false
+2 2 0: false false true
+2 2 1: false false true
+2 2 2: true false false
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-chained-comparisons.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-chained-comparisons.cpp.output
new file mode 100644
index 000000000..0f8d9e000
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-chained-comparisons.cpp.output
@@ -0,0 +1 @@
+pure2-chained-comparisons.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-concept-definition.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-concept-definition.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-concept-definition.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-concept-definition.cpp.output
new file mode 100644
index 000000000..1a6f1c663
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-concept-definition.cpp.output
@@ -0,0 +1 @@
+pure2-concept-definition.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-contracts.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-contracts.cpp.execution
new file mode 100644
index 000000000..e8a01cd98
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-contracts.cpp.execution
@@ -0,0 +1,3 @@
+1
+2
+4
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-contracts.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-contracts.cpp.output
new file mode 100644
index 000000000..c1ac8c9c7
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-contracts.cpp.output
@@ -0,0 +1 @@
+pure2-contracts.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-defaulted-comparisons-and-final-types.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-defaulted-comparisons-and-final-types.cpp.execution
new file mode 100644
index 000000000..9ff824547
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-defaulted-comparisons-and-final-types.cpp.execution
@@ -0,0 +1 @@
+less
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-defaulted-comparisons-and-final-types.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-defaulted-comparisons-and-final-types.cpp.output
new file mode 100644
index 000000000..a69d84fb4
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-defaulted-comparisons-and-final-types.cpp.output
@@ -0,0 +1 @@
+pure2-defaulted-comparisons-and-final-types.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-enum.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-enum.cpp.execution
new file mode 100644
index 000000000..6d9a33c28
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-enum.cpp.execution
@@ -0,0 +1,29 @@
+x.to_string() is clubs
+x2.to_string() is clubs
+with if else: clubs
+with inspect: clubs
+
+file_attributes::cached.get_raw_value() is 1
+file_attributes::current.get_raw_value() is 2
+file_attributes::obsolete.get_raw_value() is 4
+file_attributes::cached_and_current.get_raw_value() is 3
+f. get_raw_value() is 1
+f2.get_raw_value() is 1
+f  is (cached)
+f2 is (cached)
+f2 is (none)
+f2 is (cached)
+f. get_raw_value() is 1
+f2.get_raw_value() is 1
+f  is (f2) is true
+f2 is (f ) is true
+
+f  is (cached, current, obsolete, cached_and_current)
+f2 is (cached, current, cached_and_current)
+f. get_raw_value() is 7
+f2.get_raw_value() is 3
+f  == f2   is false
+f  is (f2) is false
+f2 is (f ) is false
+(f & f2) == f2 is true
+inspecting f: includes all f2's flags ('cached' and 'current')
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-enum.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-enum.cpp.output
new file mode 100644
index 000000000..81df03d19
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-enum.cpp.output
@@ -0,0 +1 @@
+pure2-enum.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-for-loop-range-with-lambda.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-for-loop-range-with-lambda.cpp.execution
new file mode 100644
index 000000000..19b3a90b2
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-for-loop-range-with-lambda.cpp.execution
@@ -0,0 +1 @@
+12345123451234512345
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-for-loop-range-with-lambda.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-for-loop-range-with-lambda.cpp.output
new file mode 100644
index 000000000..d6f0513de
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-for-loop-range-with-lambda.cpp.output
@@ -0,0 +1 @@
+pure2-for-loop-range-with-lambda.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-forward-return.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-forward-return.cpp.execution
new file mode 100644
index 000000000..f259f2362
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-forward-return.cpp.execution
@@ -0,0 +1,2 @@
+4
+42
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-forward-return.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-forward-return.cpp.output
new file mode 100644
index 000000000..03fb43cc8
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-forward-return.cpp.output
@@ -0,0 +1 @@
+pure2-forward-return.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-function-multiple-forward-arguments.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-function-multiple-forward-arguments.cpp.execution
new file mode 100644
index 000000000..8baef1b4a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-function-multiple-forward-arguments.cpp.execution
@@ -0,0 +1 @@
+abc
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-function-multiple-forward-arguments.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-function-multiple-forward-arguments.cpp.output
new file mode 100644
index 000000000..fb0e5f1d4
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-function-multiple-forward-arguments.cpp.output
@@ -0,0 +1 @@
+pure2-function-multiple-forward-arguments.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-hello.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-hello.cpp.execution
new file mode 100644
index 000000000..c8848197e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-hello.cpp.execution
@@ -0,0 +1 @@
+Hello [world]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-hello.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-hello.cpp.output
new file mode 100644
index 000000000..83e848232
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-hello.cpp.output
@@ -0,0 +1 @@
+pure2-hello.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-initialization-safety-with-else-if.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-initialization-safety-with-else-if.cpp.execution
new file mode 100644
index 000000000..d00491fd7
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-initialization-safety-with-else-if.cpp.execution
@@ -0,0 +1 @@
+1
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-initialization-safety-with-else-if.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-initialization-safety-with-else-if.cpp.output
new file mode 100644
index 000000000..67638a3f2
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-initialization-safety-with-else-if.cpp.output
@@ -0,0 +1 @@
+pure2-initialization-safety-with-else-if.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-in-generic-function-multiple-types.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-in-generic-function-multiple-types.cpp.execution
new file mode 100644
index 000000000..fd5a6cdff
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-in-generic-function-multiple-types.cpp.execution
@@ -0,0 +1,8 @@
+                        double value is not an int or string
+     variant<int, int, double> value is not an int or string
+                           any value is "xyzzy"
+                 optional<int> value is not an int or string
+                           int value is integer 42
+     variant<int, int, double> value is integer 1
+                           any value is integer 2
+                 optional<int> value is integer 3
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-in-generic-function-multiple-types.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-in-generic-function-multiple-types.cpp.output
new file mode 100644
index 000000000..9f384ba8b
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-in-generic-function-multiple-types.cpp.output
@@ -0,0 +1 @@
+pure2-inspect-expression-in-generic-function-multiple-types.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-with-as-in-generic-function.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-with-as-in-generic-function.cpp.execution
new file mode 100644
index 000000000..3cd874b4e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-with-as-in-generic-function.cpp.execution
@@ -0,0 +1,3 @@
+                        syzygy value is not an int
+                             1 value is 1
+                      1.100000 value is not an int
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-with-as-in-generic-function.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-with-as-in-generic-function.cpp.output
new file mode 100644
index 000000000..9b94f7dc8
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-expression-with-as-in-generic-function.cpp.output
@@ -0,0 +1 @@
+pure2-inspect-expression-with-as-in-generic-function.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-fallback-with-variant-any-optional.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-fallback-with-variant-any-optional.cpp.execution
new file mode 100644
index 000000000..a5cbcefe9
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-fallback-with-variant-any-optional.cpp.execution
@@ -0,0 +1,11 @@
+
+All these cases satisfy "matches std::string"
+
+variant<int, int, string>
+    ... matches std::string
+
+string
+    ... matches std::string
+
+optional<string>
+    ... matches std::string
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-fallback-with-variant-any-optional.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-fallback-with-variant-any-optional.cpp.output
new file mode 100644
index 000000000..e37a9db99
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-fallback-with-variant-any-optional.cpp.output
@@ -0,0 +1 @@
+pure2-inspect-fallback-with-variant-any-optional.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.execution
new file mode 100644
index 000000000..a2df8769d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.execution
@@ -0,0 +1,17 @@
+
+All these cases satisfy "VOYDE AND EMPTIE"
+
+unique_ptr
+    ... VOYDE AND EMPTIE
+
+vector<int>::iterator
+    ... VOYDE AND EMPTIE
+
+variant<monostate, int, int, string>
+    ... VOYDE AND EMPTIE
+
+any
+    ... VOYDE AND EMPTIE
+
+optional<string>
+    ... VOYDE AND EMPTIE
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.output
new file mode 100644
index 000000000..bb2e2b9a7
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-inspect-generic-void-empty-with-variant-any-optional.cpp.output
@@ -0,0 +1 @@
+pure2-inspect-generic-void-empty-with-variant-any-optional.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-interpolation.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-interpolation.cpp.execution
new file mode 100644
index 000000000..850cfc6bf
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-interpolation.cpp.execution
@@ -0,0 +1,12 @@
+g0g0g
+0g0g
+0g0
+00
+"0"
+"0
+"
+
+pl(ug$h
+0pl(ug$h
+Dog kennel           color mauve      price 3.14       in stock = true
+Dog kennel           color mauve      price 3.14       in stock = true
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-interpolation.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-interpolation.cpp.output
new file mode 100644
index 000000000..2b9f9aac2
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-interpolation.cpp.output
@@ -0,0 +1 @@
+pure2-interpolation.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-hello-2022.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-hello-2022.cpp.execution
new file mode 100644
index 000000000..8e8c5ee29
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-hello-2022.cpp.execution
@@ -0,0 +1,2 @@
+>> [hello] - length 7
+>> [2022] - length 6
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-hello-2022.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-hello-2022.cpp.output
new file mode 100644
index 000000000..9fb86fbfe
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-hello-2022.cpp.output
@@ -0,0 +1 @@
+pure2-intro-example-hello-2022.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-three-loops.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-three-loops.cpp.execution
new file mode 100644
index 000000000..c218d85df
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-three-loops.cpp.execution
@@ -0,0 +1,8 @@
+>> hello
+>> big
+>> world
+  **  **  **
+>> [hello]
+>> [big]
+>> [world]
+>> end of program
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-three-loops.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-three-loops.cpp.output
new file mode 100644
index 000000000..34b8c3bdd
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-intro-example-three-loops.cpp.output
@@ -0,0 +1 @@
+pure2-intro-example-three-loops.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-free-functions-predicate.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-free-functions-predicate.cpp.execution
new file mode 100644
index 000000000..c8a07e430
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-free-functions-predicate.cpp.execution
@@ -0,0 +1,6 @@
+3.140000 is double bigger than 3
+3.140000 is bigger than 3
+42 is integer bigger than 3
+42 is bigger than 3
+a is integer bigger than 3
+a is bigger than 3
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-free-functions-predicate.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-free-functions-predicate.cpp.output
new file mode 100644
index 000000000..e2ffd5e62
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-free-functions-predicate.cpp.output
@@ -0,0 +1 @@
+pure2-is-with-free-functions-predicate.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-unnamed-predicates.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-unnamed-predicates.cpp.execution
new file mode 100644
index 000000000..c8a07e430
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-unnamed-predicates.cpp.execution
@@ -0,0 +1,6 @@
+3.140000 is double bigger than 3
+3.140000 is bigger than 3
+42 is integer bigger than 3
+42 is bigger than 3
+a is integer bigger than 3
+a is bigger than 3
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-unnamed-predicates.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-unnamed-predicates.cpp.output
new file mode 100644
index 000000000..67d1d00c8
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-unnamed-predicates.cpp.output
@@ -0,0 +1 @@
+pure2-is-with-unnamed-predicates.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-variable-and-value.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-variable-and-value.cpp.execution
new file mode 100644
index 000000000..a9bc0680a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-variable-and-value.cpp.execution
@@ -0,0 +1,9 @@
+3.14: unknown
+42: 42
+WithOp(): unknown
+WithGenOp(): unknown
+Cmp(): comparable
+std::string("text"): text
+"text": text
+std::string_view("text"): text
+:std::vector = ('t','e','x','t','\0'): unknown
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-variable-and-value.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-variable-and-value.cpp.output
new file mode 100644
index 000000000..4358a6f73
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-is-with-variable-and-value.cpp.output
@@ -0,0 +1 @@
+pure2-is-with-variable-and-value.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-last-use.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-last-use.cpp.execution
new file mode 100644
index 000000000..4632e068d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-last-use.cpp.execution
@@ -0,0 +1 @@
+123456
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-last-use.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-last-use.cpp.output
new file mode 100644
index 000000000..79703bb60
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-last-use.cpp.output
@@ -0,0 +1 @@
+pure2-last-use.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-look-up-parameter-across-unnamed-function.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-look-up-parameter-across-unnamed-function.cpp.execution
new file mode 100644
index 000000000..871727de1
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-look-up-parameter-across-unnamed-function.cpp.execution
@@ -0,0 +1 @@
+84
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-look-up-parameter-across-unnamed-function.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-look-up-parameter-across-unnamed-function.cpp.output
new file mode 100644
index 000000000..659b6c7cf
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-look-up-parameter-across-unnamed-function.cpp.output
@@ -0,0 +1 @@
+pure2-look-up-parameter-across-unnamed-function.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-main-args.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-main-args.cpp.execution
new file mode 100644
index 000000000..bd992e432
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-main-args.cpp.execution
@@ -0,0 +1,2 @@
+args.argc            is 1
+args.argv[0]         is test.exe
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-main-args.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-main-args.cpp.output
new file mode 100644
index 000000000..549285e8f
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-main-args.cpp.output
@@ -0,0 +1 @@
+pure2-main-args.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-more-wildcards.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-more-wildcards.cpp.execution
new file mode 100644
index 000000000..e37d6cb21
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-more-wildcards.cpp.execution
@@ -0,0 +1,2 @@
+yes, less
+yes, always
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-more-wildcards.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-more-wildcards.cpp.output
new file mode 100644
index 000000000..3f50e02c5
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-more-wildcards.cpp.output
@@ -0,0 +1 @@
+pure2-more-wildcards.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-print.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-print.cpp.execution
new file mode 100644
index 000000000..4e4b4573d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-print.cpp.execution
@@ -0,0 +1,2 @@
+43
+forty-and-three
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-print.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-print.cpp.output
new file mode 100644
index 000000000..c64d03157
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-print.cpp.output
@@ -0,0 +1 @@
+pure2-print.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-raw-string-literal-and-interpolation.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-raw-string-literal-and-interpolation.cpp.execution
new file mode 100644
index 000000000..c48e2bd60
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-raw-string-literal-and-interpolation.cpp.execution
@@ -0,0 +1,17 @@
+this is a string
+raw string without interpolation
+this is raw string literal
+
+that can last for multiple
+
+lines
+this is raw string literal
+that can last for multiple
+lines
+42 R"(this can be added too)"
+calculations like m["one"] + m["two"] = 3 also works
+at the beginning of the line!!!
+
+
+    4242
+1.2.0.42
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-raw-string-literal-and-interpolation.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-raw-string-literal-and-interpolation.cpp.output
new file mode 100644
index 000000000..32c8700a6
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-raw-string-literal-and-interpolation.cpp.output
@@ -0,0 +1 @@
+pure2-raw-string-literal-and-interpolation.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-repeated-call.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-repeated-call.cpp.execution
new file mode 100644
index 000000000..d81cc0710
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-repeated-call.cpp.execution
@@ -0,0 +1 @@
+42
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-repeated-call.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-repeated-call.cpp.output
new file mode 100644
index 000000000..08c93faba
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-repeated-call.cpp.output
@@ -0,0 +1 @@
+pure2-repeated-call.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-requires-clauses.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-requires-clauses.cpp.execution
new file mode 100644
index 000000000..105d7d9ad
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-requires-clauses.cpp.execution
@@ -0,0 +1 @@
+100
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-requires-clauses.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-requires-clauses.cpp.output
new file mode 100644
index 000000000..fa1d3b023
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-requires-clauses.cpp.output
@@ -0,0 +1 @@
+pure2-requires-clauses.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-return-tuple-operator.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-return-tuple-operator.cpp.execution
new file mode 100644
index 000000000..a3b7f9a55
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-return-tuple-operator.cpp.execution
@@ -0,0 +1,3 @@
+12 , 34
+23 , 45
+34 , 56
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-return-tuple-operator.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-return-tuple-operator.cpp.output
new file mode 100644
index 000000000..04fe9fa9a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-return-tuple-operator.cpp.output
@@ -0,0 +1 @@
+pure2-return-tuple-operator.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-statement-scope-parameters.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-statement-scope-parameters.cpp.execution
new file mode 100644
index 000000000..6fe5c7f6a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-statement-scope-parameters.cpp.execution
@@ -0,0 +1,2 @@
+42
+43
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-statement-scope-parameters.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-statement-scope-parameters.cpp.output
new file mode 100644
index 000000000..9d578c804
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-statement-scope-parameters.cpp.output
@@ -0,0 +1 @@
+pure2-statement-scope-parameters.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio-with-raii.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio-with-raii.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio-with-raii.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio-with-raii.cpp.output
new file mode 100644
index 000000000..fd34d7948
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio-with-raii.cpp.output
@@ -0,0 +1 @@
+pure2-stdio-with-raii.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio.cpp.output
new file mode 100644
index 000000000..97b473624
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-stdio.cpp.output
@@ -0,0 +1 @@
+pure2-stdio.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-synthesize-rightshift-and-rightshifteq.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-synthesize-rightshift-and-rightshifteq.cpp.execution
new file mode 100644
index 000000000..b8626c4cf
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-synthesize-rightshift-and-rightshifteq.cpp.execution
@@ -0,0 +1 @@
+4
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-synthesize-rightshift-and-rightshifteq.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-synthesize-rightshift-and-rightshifteq.cpp.output
new file mode 100644
index 000000000..bf0609bb1
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-synthesize-rightshift-and-rightshifteq.cpp.output
@@ -0,0 +1 @@
+pure2-synthesize-rightshift-and-rightshifteq.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-template-parameter-lists.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-template-parameter-lists.cpp.execution
new file mode 100644
index 000000000..2861a7a20
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-template-parameter-lists.cpp.execution
@@ -0,0 +1,4 @@
+f1: 2
+f2: 4
+f3: 6
+f4: 8
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-template-parameter-lists.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-template-parameter-lists.cpp.output
new file mode 100644
index 000000000..d91fcd9db
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-template-parameter-lists.cpp.output
@@ -0,0 +1 @@
+pure2-template-parameter-lists.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-trailing-commas.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-trailing-commas.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-trailing-commas.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-trailing-commas.cpp.output
new file mode 100644
index 000000000..af6792f7a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-trailing-commas.cpp.output
@@ -0,0 +1 @@
+pure2-trailing-commas.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-type-and-namespace-aliases.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-and-namespace-aliases.cpp.execution
new file mode 100644
index 000000000..9f037f474
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-and-namespace-aliases.cpp.execution
@@ -0,0 +1,2 @@
+xyzzy
+plugh
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-type-and-namespace-aliases.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-and-namespace-aliases.cpp.output
new file mode 100644
index 000000000..1aa549606
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-and-namespace-aliases.cpp.output
@@ -0,0 +1 @@
+pure2-type-and-namespace-aliases.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-1.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-1.cpp.execution
new file mode 100644
index 000000000..d1aa6265a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-1.cpp.execution
@@ -0,0 +1,9 @@
+                         double is int? false
+      variant<int, int, double> is int? false
+                            any is int? false
+                  optional<int> is int? false
+
+                            int is int? true
+      variant<int, int, double> is int? true
+                            any is int? true
+                  optional<int> is int? true
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-1.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-1.cpp.output
new file mode 100644
index 000000000..cdc655933
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-1.cpp.output
@@ -0,0 +1 @@
+pure2-type-safety-1.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-2-with-inspect-expression.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-2-with-inspect-expression.cpp.execution
new file mode 100644
index 000000000..7045a6e79
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-2-with-inspect-expression.cpp.execution
@@ -0,0 +1,8 @@
+                        double value is not an int
+     variant<int, double, int> value is not an int
+                           any value is not an int
+                 optional<int> value is not an int
+                           int value is 42
+     variant<int, double, int> value is 1
+                           any value is 2
+                 optional<int> value is 3
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-2-with-inspect-expression.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-2-with-inspect-expression.cpp.output
new file mode 100644
index 000000000..29bffd49b
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-type-safety-2-with-inspect-expression.cpp.output
@@ -0,0 +1 @@
+pure2-type-safety-2-with-inspect-expression.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-basics.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-basics.cpp.execution
new file mode 100644
index 000000000..96b31fc42
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-basics.cpp.execution
@@ -0,0 +1,27 @@
+myclass: implicit from int
+    data: 1, more: 504
+N::myclass::f with 53
+N::myclass::nested::g
+f1: 2
+f2: 4
+f3: 6
+f4: 8
+myclass: explicit from string
+    data: 99, more: abracadabra
+myclass: default
+    data: 504, more: 3.141590
+myclass: from int and string
+    data: 77, more: hair1 plugh
+x's state before assignments:     data: 1, more: 504
+myclass: implicit from int
+    data: 84, more: 504
+myclass: explicit from string
+    data: 99, more: syzygy
+myclass: implicit from int
+    data: 84, more: 504
+myclass: explicit from string
+    data: 99, more: syzygy
+myclass: destructor
+myclass: destructor
+myclass: destructor
+myclass: destructor
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-basics.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-basics.cpp.output
new file mode 100644
index 000000000..cde0a0595
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-basics.cpp.output
@@ -0,0 +1 @@
+pure2-types-basics.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-down-upcast.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-down-upcast.cpp.execution
new file mode 100644
index 000000000..20751af06
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-down-upcast.cpp.execution
@@ -0,0 +1,24 @@
+const foo 
+const foo 
+const foo 
+const foo 
+foo 
+foo 
+Call B const: 0.000000
+Call B const: 0.000000
+Call A const: 0
+Call B const: 0.000000
+Call B const: 0.000000
+Call A const: 0
+Call B mut: 0.000000
+Call B mut: 0.000000
+Call A mut: 0
+Call A const: 0
+Call B const: 0.000000
+Call A const: 0
+Call A const: 0
+Call B const: 0.000000
+Call A const: 0
+Call A mut: 0
+Call B mut: 0.000000
+Call A mut: 0
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-down-upcast.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-down-upcast.cpp.output
new file mode 100644
index 000000000..b2fe7c301
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-down-upcast.cpp.output
@@ -0,0 +1 @@
+pure2-types-down-upcast.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-inheritance.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-inheritance.cpp.execution
new file mode 100644
index 000000000..809430aaa
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-inheritance.cpp.execution
@@ -0,0 +1,5 @@
+Parsnip checks in for the day's shift
+printing: Parsnip lives at 123 Main St.
+-> [vcall: make_speak] Parsnip cracks a few jokes with a coworker
+-> [vcall: do_work] Parsnip carries some half-tonne crates of Fe2O3 to cold storage
+Tired but satisfied after another successful day, Parsnip checks out and goes home to their family
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-inheritance.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-inheritance.cpp.output
new file mode 100644
index 000000000..e5f505e71
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-inheritance.cpp.output
@@ -0,0 +1 @@
+pure2-types-inheritance.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-order-independence-and-nesting.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-order-independence-and-nesting.cpp.execution
new file mode 100644
index 000000000..cc716cc8c
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-order-independence-and-nesting.cpp.execution
@@ -0,0 +1,5 @@
+made a safely initialized cycle
+leaving call to 'why(5)'
+leaving call to 'why(3)'
+leaving call to 'why(1)'
+hallo welt
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-order-independence-and-nesting.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-order-independence-and-nesting.cpp.output
new file mode 100644
index 000000000..7c4ae790a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-order-independence-and-nesting.cpp.output
@@ -0,0 +1 @@
+pure2-types-order-independence-and-nesting.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-ordering-via-meta-functions.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-ordering-via-meta-functions.cpp.execution
new file mode 100644
index 000000000..54b3aab09
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-ordering-via-meta-functions.cpp.execution
@@ -0,0 +1 @@
+less more less
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-ordering-via-meta-functions.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-ordering-via-meta-functions.cpp.output
new file mode 100644
index 000000000..6325b9ff6
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-ordering-via-meta-functions.cpp.output
@@ -0,0 +1 @@
+pure2-types-ordering-via-meta-functions.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-1-provide-everything.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-1-provide-everything.cpp.execution
new file mode 100644
index 000000000..fc5a23bde
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-1-provide-everything.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - move             mv-construct  [ Clara(CM) | 123 Ford Dr. ] <- [  |  ]
+assign - copy           cp-assign     [ Clara | 123 Ford Dr.(AC) ] <- [ Clara | 123 Ford Dr. ]
+assign - move           mv-assign     [ Clara | 123 Ford Dr. ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-1-provide-everything.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-1-provide-everything.cpp.output
new file mode 100644
index 000000000..a2c28dc20
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-1-provide-everything.cpp.output
@@ -0,0 +1 @@
+pure2-types-smf-and-that-1-provide-everything.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.execution
new file mode 100644
index 000000000..7cbf0f869
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - move             mv-construct  [ Clara(CM) | 123 Ford Dr. ] <- [  |  ]
+assign - copy           cp-assign     [ Clara | 123 Ford Dr.(AC) ] <- [ Clara | 123 Ford Dr. ]
+assign - copy           mv-assign     [ Clara | 123 Ford Dr.(AC) ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.output
new file mode 100644
index 000000000..72f67a0de
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp.output
@@ -0,0 +1 @@
+pure2-types-smf-and-that-2-provide-mvconstruct-and-cpassign.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.execution
new file mode 100644
index 000000000..541b2a0d9
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - move             mv-construct  [ Clara(CM) | 123 Ford Dr. ] <- [  |  ]
+ctor - copy (GENERAL)   cp-assign     [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+assign - move           mv-assign     [ Clara | 123 Ford Dr. ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.output
new file mode 100644
index 000000000..c5d5b9553
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp.output
@@ -0,0 +1 @@
+pure2-types-smf-and-that-3-provide-mvconstruct-and-mvassign.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.execution
new file mode 100644
index 000000000..24d4e763a
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   mv-construct  [ Clara | 123 Ford Dr. ] <- [  |  ]
+assign - copy           cp-assign     [ Clara | 123 Ford Dr.(AC) ] <- [ Clara | 123 Ford Dr. ]
+assign - move           mv-assign     [ Clara | 123 Ford Dr. ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.output
new file mode 100644
index 000000000..2663813b7
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp.output
@@ -0,0 +1 @@
+pure2-types-smf-and-that-4-provide-cpassign-and-mvassign.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.execution
new file mode 100644
index 000000000..c387c0371
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.execution
@@ -0,0 +1,8 @@
+Function invoked        Call syntax   Results
+----------------------  ------------  ------------------------------------------------------
+ctor - from string      construct     [ Henry | 123 Ford Dr. ]
+ctor - from string      assign        [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   cp-construct  [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   mv-construct  [ Clara | 123 Ford Dr. ] <- [  |  ]
+ctor - copy (GENERAL)   cp-assign     [ Clara | 123 Ford Dr. ] <- [ Clara | 123 Ford Dr. ]
+ctor - copy (GENERAL)   mv-assign     [ Clara | 123 Ford Dr. ] <- [  |  ]
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.output
new file mode 100644
index 000000000..7d0c7961d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp.output
@@ -0,0 +1 @@
+pure2-types-smf-and-that-5-provide-nothing-but-general-case.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-that-parameters.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-that-parameters.cpp.execution
new file mode 100644
index 000000000..abd49e623
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-that-parameters.cpp.execution
@@ -0,0 +1,7 @@
+name 'Henry', addr '123 Ford Dr.'
+-----
+name 'Henry', addr '123 Ford Dr.'
+name 'Henry', addr '123 Ford Dr.'
+-----
+name '', addr ''
+name 'Henry', addr '123 Ford Dr.'
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-that-parameters.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-that-parameters.cpp.output
new file mode 100644
index 000000000..0c919b5e0
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-that-parameters.cpp.output
@@ -0,0 +1 @@
+pure2-types-that-parameters.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-value-types-via-meta-functions.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-value-types-via-meta-functions.cpp.execution
new file mode 100644
index 000000000..daee7bf51
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-value-types-via-meta-functions.cpp.execution
@@ -0,0 +1 @@
+less less less 
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-types-value-types-via-meta-functions.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-value-types-via-meta-functions.cpp.output
new file mode 100644
index 000000000..68b15f606
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-types-value-types-via-meta-functions.cpp.output
@@ -0,0 +1 @@
+pure2-types-value-types-via-meta-functions.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-ufcs-member-access-and-chaining.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-ufcs-member-access-and-chaining.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-ufcs-member-access-and-chaining.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-ufcs-member-access-and-chaining.cpp.output
new file mode 100644
index 000000000..bc5763e41
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-ufcs-member-access-and-chaining.cpp.output
@@ -0,0 +1 @@
+pure2-ufcs-member-access-and-chaining.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-union.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-union.cpp.execution
new file mode 100644
index 000000000..e52daad8e
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-union.cpp.execution
@@ -0,0 +1,4 @@
+sizeof(x) - alignof(x) == max(sizeof(fields)) is true
+(not a name)
+xyz
+42
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-union.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-union.cpp.output
new file mode 100644
index 000000000..e4baed02d
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-union.cpp.output
@@ -0,0 +1 @@
+pure2-union.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-variadics.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-variadics.cpp.execution
new file mode 100644
index 000000000..53bc692f9
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-variadics.cpp.execution
@@ -0,0 +1,7 @@
+xyz
+plu
+abr
+3.14word-1500
+first all() returned false
+second all() returned true
+sum of (1, 2, 3, 100) is: 106
\ No newline at end of file
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-variadics.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-variadics.cpp.output
new file mode 100644
index 000000000..01aa45382
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-variadics.cpp.output
@@ -0,0 +1 @@
+pure2-variadics.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-various-string-literals.cpp.execution b/regression-tests/test-results/msvc-2022-c++latest/pure2-various-string-literals.cpp.execution
new file mode 100644
index 000000000..e69de29bb
diff --git a/regression-tests/test-results/msvc-2022-c++latest/pure2-various-string-literals.cpp.output b/regression-tests/test-results/msvc-2022-c++latest/pure2-various-string-literals.cpp.output
new file mode 100644
index 000000000..2ae43b011
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/pure2-various-string-literals.cpp.output
@@ -0,0 +1 @@
+pure2-various-string-literals.cpp
diff --git a/regression-tests/test-results/msvc-2022-c++latest/run-tests-msvc-2022.bat b/regression-tests/test-results/msvc-2022-c++latest/run-tests-msvc-2022.bat
new file mode 100644
index 000000000..207dc61cd
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/run-tests-msvc-2022.bat
@@ -0,0 +1,32 @@
+REM This is intended to be run in the /test-results/msvc-2022 directory
+REM in a VS2022 Command Prompt (which sets the path and other environment)
+REM
+REM After installing VS2022, to finish setting up std modules in your environment, run:
+REM     cl /std:c++latest /EHsc /nologo /W4 /MD /c "%VCToolsInstallDir%\modules\std.ixx"
+REM     cl /std:c++latest /EHsc /nologo /W4 /MD /c "%VCToolsInstallDir%\modules\std.compat.ixx"
+REM More info: https://learn.microsoft.com/en-us/cpp/cpp/tutorial-import-stl-named-module?view=msvc-170
+REM
+@echo off
+SETLOCAL EnableDelayedExpansion
+copy ..\*.cpp .
+del *.output
+set count=0
+set exe_count=0
+cl 1>NUL 2> MSVC-version.output
+for %%f in (*.cpp) do (
+    set /a count+=1
+    echo [!count!] Starting MSVC cl.exe %%f
+    cl.exe %%f -Fe"test" -nologo -std:c++latest -MD -EHsc -I ..\..\..\include std.obj std.compat.obj >> %%f.output 2>&1
+    del %%f
+    IF EXIST "test.exe" (
+        set /a exe_count+=1
+        echo.    Starting executable
+        test.exe > %%f.execution 2>&1
+        del test.exe
+    )
+)
+del pure2-*.obj mixed-*.obj *.exp *.lib
+echo.
+echo Done: %count% .cpp tests compiled
+echo.
+echo.      %exe_count% executables generated and run
diff --git a/regression-tests/test-results/msvc-2022-c++latest/xyzzy b/regression-tests/test-results/msvc-2022-c++latest/xyzzy
new file mode 100644
index 000000000..805bcb853
--- /dev/null
+++ b/regression-tests/test-results/msvc-2022-c++latest/xyzzy
@@ -0,0 +1 @@
+Hello Fred with UFCS!
\ No newline at end of file