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Commit 18c916c6 authored by Alexander Potapenko's avatar Alexander Potapenko
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[ASan] Try to use a small (512 bytes) stack-local buffer in Report() for short... 

[ASan] Try to use a small (512 bytes) stack-local buffer in Report() for short messages, fall back to MmapOrDie() in the case of a failure.
This shall eliminate most of the cryptic "ERROR: failed to mmap" messages caused by recursively calling MmapOrDie() from MmapOrDie().

llvm-svn: 176802
parent 92cc1a6d
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