[PATCH] D47798: [HWASan] Report proper error on allocator failures instead of CHECK(0)-ing

[Aleksey Shlyapnikov via Phabricator via llvm-commits]

alekseyshl created this revision.
alekseyshl added a reviewer: eugenis.
Herald added subscribers: Sanitizers, delcypher, kubamracek.

Currently many allocator specific errors (OOM, for example) are reported as
a text message and CHECK(0) termination, not stack, no details, not too
helpful nor informative. To improve the situation, detailed and
structured errors were defined and reported under the appropriate conditions.


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D47798

Files:
  lib/hwasan/hwasan.cc
  lib/hwasan/hwasan.h
  lib/hwasan/hwasan_allocator.cc
  lib/hwasan/hwasan_interceptors.cc
  lib/hwasan/hwasan_linux.cc
  lib/hwasan/hwasan_new_delete.cc
  lib/hwasan/hwasan_report.cc
  lib/hwasan/hwasan_report.h

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