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

[Alexey Samsonov]

> Ok, it turned out to be more interesting than I expected. We clone a lock-owning thread in StopTheWorld and then call CheckLocked in the clone (assuming that it "inherited" the lock). This obviously fails because owner_ field does not match. So looks like the whole idea of owner_ conflicts with our lock-passing semantics. I wonder if it's better to remove it altogether (at least on Linux and Mac, Windows uses it for some other purpose).


+gilder

Fun. I'm fine with removing owner_ field on Linux and Mac, but we'll need to implement BlockingMutex::CheckLocked() in this case somehow.


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http://reviews.llvm.org/D7171

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