From 7622bae03739b5bb82ac02428d95e2b93b4715ab Mon Sep 17 00:00:00 2001
From: Eric Davies <iamed2@gmail.com>
Date: Mon, 29 Jun 2020 14:36:32 -0500
Subject: [PATCH] Fix and test LLVM IR for issue #36422 (#36435)

---
 src/codegen.cpp          | 2 +-
 test/compiler/codegen.jl | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/codegen.cpp b/src/codegen.cpp
index fcb7ef2e23934..49b47aef82f89 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -2352,7 +2352,7 @@ static Value *emit_bits_compare(jl_codectx_t &ctx, jl_cgval_t arg1, jl_cgval_t a
                 nroots++;
             if ((gc_uses[nroots] = get_gc_root_for(arg2)))
                 nroots++;
-            OperandBundleDef OpBundle("jl_roots", gc_uses);
+            OperandBundleDef OpBundle("jl_roots", makeArrayRef(gc_uses, nroots));
             Value *answer = ctx.builder.CreateCall(prepare_call(memcmp_func), {
                         ctx.builder.CreateBitCast(varg1, T_pint8),
                         ctx.builder.CreateBitCast(varg2, T_pint8),
diff --git a/test/compiler/codegen.jl b/test/compiler/codegen.jl
index f90ed2a96d815..c2e157bbfe3f5 100644
--- a/test/compiler/codegen.jl
+++ b/test/compiler/codegen.jl
@@ -451,3 +451,8 @@ end
     a = [1]; b = [2]
     @test ifelsetuple(5, 3, a, b) == ([1], [1], [1], [2], [2])
 end
+
+@testset "#36422" begin
+    str_36422 = "using InteractiveUtils; code_llvm(Base.ht_keyindex, (Dict{NTuple{65,Int64},Nothing}, NTuple{65,Int64}))"
+    @test success(`$(Base.julia_cmd()) --startup-file=no -e $str_36422`)
+end