[clang] [llvm] [Clang][IR] add TBAA metadata on pointer, union and array types. (PR #75177)

[Bushev Dmitry via cfe-commits]

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@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple x86_64-linux -std=c++98 %s -O3 -disable-llvm-passes -pedantic-errors -emit-llvm -o - | FileCheck %s
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dybv-sc wrote:

I am sure that level 3 optimization should cut out all stack manipulation here leaving only one necessary load(const int *x = *p) and one necessary store(*q = 0). This test checks only presence of that load/store and metadata information, so I don't think it could be disrupted by unrelated patches.

https://github.com/llvm/llvm-project/pull/75177