[PATCH] [ASan] Make BlockingMutex really linker initialized.

[Alexey Samsonov]

LGTM. Yes, I think enabling -Wglobal-constructors for ASan (and for all the rest sanitizers) will be great. Thank you!


REPOSITORY
  rL LLVM

================
Comment at: lib/sanitizer_common/sanitizer_linux.cc:501
@@ -504,2 +500,3 @@
 void BlockingMutex::Lock() {
+  CHECK_EQ(owner_, 0);
   atomic_uint32_t *m = reinterpret_cast<atomic_uint32_t *>(&opaque_storage_);
----------------
owner_ isn't used in any other BlockingMutex functions on Linux. Let's just delete this line.

http://reviews.llvm.org/D7171

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