[llvm] [StatepointLowering] Handle struct return through stack (PR #157251)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,39 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
+
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arsenm wrote:

Should get a comment and also needs to be in X86 subdirectory 

https://github.com/llvm/llvm-project/pull/157251