[compiler-rt] TSan: Support relaxed accesses and fences (PR #142579)

[Thurston Dang via llvm-commits]

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@@ -80,3 +80,6 @@ TSAN_FLAG(bool, shared_ptr_interceptor, true,
 TSAN_FLAG(bool, print_full_thread_history, false,
           "If set, prints thread creation stacks for the threads involved in "
           "the report and their ancestors up to the main thread.")
+TSAN_FLAG(bool, correct_race_detection, false,
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thurstond wrote:

Nit: please give a more specific name for the flag (and associated variable) - something like "precise_relaxed_access_checks". Otherwise, if anyone makes another improvement to TSan, their flag would be "even_more_correct_race_detection".

https://github.com/llvm/llvm-project/pull/142579