[PATCH] D15381: [tsan] Add a DCHECK to verify __tsan_read* and __tsan_write function aren't called from ScopedInterceptor

[Kuba Brecka via llvm-commits]

kubabrecka created this revision.
kubabrecka added reviewers: dvyukov, glider, samsonov, kcc.
kubabrecka added subscribers: llvm-commits, zaks.anna.

Interceptors using `ScopedInteceptor` should never call into user's code before the `ScopedInterceptor` is out of scope (and its destructor is called).  Let's add a DCHECK to enforce that.

http://reviews.llvm.org/D15381

Files:
  lib/tsan/rtl/tsan_interceptors.cc
  lib/tsan/rtl/tsan_interface_inl.h
  lib/tsan/rtl/tsan_rtl.h

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