[compiler-rt] [TySan] Intercept malloc_size on Apple platforms. (PR #122133)

[Florian Mayer via llvm-commits]

================
@@ -108,6 +108,14 @@ INTERCEPTOR(void *, malloc, uptr size) {
   return res;
 }
 
+#if SANITIZER_APPLE
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fmayer wrote:

drive by question: how do we decide between `TYSAN_INTERCEPT___STRDUP` and `SANITIZER_APPLE` style conditions?

https://github.com/llvm/llvm-project/pull/122133