[llvm-commits] Fix a use-after-return in AddressSanitizer runtime

[Alexander Potapenko]

The attached patch fixes a use-after-return in ASan runtime.
Previously stack-local objects representing global variables were
passed to RegisterGlobal and put into the globals list that was
scanned later, when those objects had been overwritten.

Related changes: s/Print/Report in RegisterGlobal (we may need the
PIDs when analyzing the logs), poison the memory returned by the
LowLevelAllocator to prevent possible corruptions.


Alexander Potapenko
Software Engineer
Google Moscow
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