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

[Yury Gribov]

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


FYI it was relatively easy to get this working on Linux (with ~500 lines of changes). Unfortunately Windows compiler lacks too many necessary features: explicit initialization of array members, constexpr, unrestricted unions (all still missing in VS2013 and we still use VS2012). Having #if WINDOWS all over the place isn't an option as well so I'm afraid we are out of luck.


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http://reviews.llvm.org/D7171

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