[llvm] [MSAN] Handle PtrToAddrInst in MemorySanitizer (PR #219307)

[Thurston Dang via llvm-commits]

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@@ -0,0 +1,14 @@
+; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s
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thurstond wrote:

I'm inclined to agree with @vitalybuka's view that "Unless we see a common pattern where reasonable code needs such pointers, I'd propose to report them."

That's especially the case since this test case needs to override `-msan-check-access-address=0` (default is on). What would a test case that doesn't override it look like?

https://github.com/llvm/llvm-project/pull/219307