diff --git a/.github/workflows/Ubuntu.yml b/.github/workflows/Ubuntu.yml
index ce852593f..b3b8fc46a 100644
--- a/.github/workflows/Ubuntu.yml
+++ b/.github/workflows/Ubuntu.yml
@@ -94,6 +94,42 @@ jobs:
             cling-version: '1.0'
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host;NVPTX"
+          - name: ubu24-arm-gcc12-clang-repl-19
+            os: ubuntu-24.04-arm
+            compiler: gcc-12
+            clang-runtime: '19'
+            cling: Off
+            llvm_enable_projects: "clang"
+            llvm_targets_to_build: "host;NVPTX"
+          - name: ubu24-arm-gcc12-clang-repl-18
+            os: ubuntu-24.04-arm
+            compiler: gcc-12
+            clang-runtime: '18'
+            cling: Off
+            llvm_enable_projects: "clang"
+            llvm_targets_to_build: "host;NVPTX"
+          - name: ubu24-arm-gcc12-clang-repl-17
+            os: ubuntu-24.04-arm
+            compiler: gcc-12
+            clang-runtime: '17'
+            cling: Off
+            llvm_enable_projects: "clang"
+            llvm_targets_to_build: "host;NVPTX"
+          - name: ubu24-arm-gcc12-clang-repl-16
+            os: ubuntu-24.04-arm
+            compiler: gcc-12
+            clang-runtime: '16'
+            cling: Off
+            llvm_enable_projects: "clang"
+            llvm_targets_to_build: "host;NVPTX"
+          - name: ubu24-arm-gcc9-clang13-cling
+            os: ubuntu-24.04-arm
+            compiler: gcc-9
+            clang-runtime: '13'
+            cling: On
+            cling-version: '1.0'
+            llvm_enable_projects: "clang"
+            llvm_targets_to_build: "host;NVPTX"
             
     steps:
     - uses: actions/checkout@v4
@@ -337,6 +373,33 @@ jobs:
             clang-runtime: '13'
             cling: On
             cling-version: '1.0'
+          - name: ubu24-arm-gcc12-clang-repl-19
+            os: ubuntu-24.04-arm
+            compiler: gcc-12
+            clang-runtime: '19'
+            cling: Off
+          - name: ubu24-arm-gcc12-clang-repl-18
+            os: ubuntu-24.04-arm
+            compiler: gcc-12
+            clang-runtime: '18'
+            cling: Off
+          - name: ubu24-arm-gcc12-clang-repl-17
+            os: ubuntu-24.04-arm
+            compiler: gcc-12
+            clang-runtime: '17'
+            cling: Off
+          - name: ubu24-arm-gcc12-clang-repl-16
+            os: ubuntu-24.04-arm
+            compiler: gcc-12
+            clang-runtime: '16'
+            cling: Off
+            cppyy: Off
+          - name: ubu24-arm-gcc9-clang13-cling
+            os: ubuntu-24.04-arm
+            compiler: gcc-9
+            clang-runtime: '13'
+            cling: On
+            cling-version: '1.0'
 
     steps:
     - uses: actions/checkout@v4
@@ -403,7 +466,12 @@ jobs:
         sudo apt-get update
         sudo apt-get install git g++ debhelper devscripts gnupg python3 doxygen graphviz python3-sphinx
         sudo apt-get install -y libc6-dbg
-        sudo snap install valgrind --classic
+        export ARCHITECHURE=$(uname -m)
+        if [[ "$ARCHITECHURE" != "x86_64" ]]; then
+          sudo apt-get install valgrind
+        else
+          sudo snap install valgrind --classic
+        fi
         sudo apt autoremove
         sudo apt clean
         # Install libraries used by the cppyy test suite
diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
index 1fcdd6090..dceefc0c3 100644
--- a/.github/workflows/emscripten.yml
+++ b/.github/workflows/emscripten.yml
@@ -37,6 +37,14 @@ jobs:
             llvm_enable_projects: "clang;lld"
             llvm_targets_to_build: "WebAssembly"
             emsdk_ver: "3.1.45"
+          - name: ubu24-arm-gcc12-clang-repl-19-emscripten
+            os: ubuntu-24.04-arm
+            compiler: gcc-12
+            clang-runtime: '19'
+            cling: Off
+            llvm_enable_projects: "clang;lld"
+            llvm_targets_to_build: "WebAssembly"
+            emsdk_ver: "3.1.45"
           - name: osx15-arm-clang-clang-repl-19-emscripten
             os: macos-15
             compiler: clang
diff --git a/lib/Interpreter/CppInterOp.cpp b/lib/Interpreter/CppInterOp.cpp
old mode 100644
new mode 100755
index 34908d88a..15a177281
--- a/lib/Interpreter/CppInterOp.cpp
+++ b/lib/Interpreter/CppInterOp.cpp
@@ -2828,7 +2828,10 @@ namespace Cpp {
 #define DEBUG_TYPE "exec"
 
     std::array<char, 256> buffer;
-    std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
+    struct file_deleter {
+      void operator()(FILE* fp) { pclose(fp); }
+    };
+    std::unique_ptr<FILE, file_deleter> pipe{popen(cmd, "r")};
     LLVM_DEBUG(dbgs() << "Executing command '" << cmd << "'\n");
 
     if (!pipe) {
@@ -3437,26 +3440,27 @@ namespace Cpp {
   }
 
   class StreamCaptureInfo {
-    std::unique_ptr<FILE, decltype(std::fclose)*> m_TempFile;
+    struct file_deleter {
+      void operator()(FILE* fp) { pclose(fp); }
+    };
+    std::unique_ptr<FILE, file_deleter> m_TempFile;
     int m_FD = -1;
     int m_DupFD = -1;
 
   public:
 #ifdef _MSC_VER
     StreamCaptureInfo(int FD)
-        : m_TempFile(
-              []() {
-                FILE* stream = nullptr;
-                errno_t err;
-                err = tmpfile_s(&stream);
-                if (err)
-                  printf("Cannot create temporary file!\n");
-                return stream;
-              }(),
-              std::fclose),
+        : m_TempFile{[]() {
+            FILE* stream = nullptr;
+            errno_t err;
+            err = tmpfile_s(&stream);
+            if (err)
+              printf("Cannot create temporary file!\n");
+            return stream;
+          }()},
           m_FD(FD) {
 #else
-    StreamCaptureInfo(int FD) : m_TempFile(tmpfile(), std::fclose), m_FD(FD) {
+    StreamCaptureInfo(int FD) : m_TempFile{tmpfile()}, m_FD(FD) {
 #endif
       if (!m_TempFile) {
         perror("StreamCaptureInfo: Unable to create temp file");