[llvm] [TySan] A Type Sanitizer (LLVM) (PR #76259)

[Florian Mayer via llvm-commits]

================
@@ -375,8 +375,8 @@ static bool isStructPathTBAA(const MDNode *MD) {
 AliasResult TypeBasedAAResult::alias(const MemoryLocation &LocA,
                                      const MemoryLocation &LocB,
                                      AAQueryInfo &AAQI, const Instruction *) {
-  if (!EnableTBAA)
-    return AliasResult::MayAlias;
+  if (!EnableTBAA || UsingTypeSanitizer || UsingTypeSanitizer)
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fmayer wrote:

nit: `UsingTypeSanitizer || UsingTypeSanitizer`

I would pull this into a method like

```
bool ShouldUseTBAA() {
  return EnableTBAA && !UsingTypeSanitizer;
}
```

https://github.com/llvm/llvm-project/pull/76259