Dmitry Vyukov 0da172b176 sanitizer_common: add thread safety annotations ...

Enable clang Thread Safety Analysis for sanitizers:
https://clang.llvm.org/docs/ThreadSafetyAnalysis.html

Thread Safety Analysis can detect inconsistent locking,
deadlocks and data races. Without GUARDED_BY annotations
it has limited value. But this does all the heavy lifting
to enable analysis and allows to add GUARDED_BY incrementally.

Reviewed By: melver

Differential Revision: https://reviews.llvm.org/D105716

2021-07-12 11:46:49 +02:00

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