[PATCH] D34540: [Sanitizers] 64 bit allocator respects allocator_may_return_null flag

[Aleksey Shlyapnikov via Phabricator via llvm-commits]

alekseyshl created this revision.
Herald added subscribers: kubamracek, srhines.

Make SizeClassAllocator64 return nullptr when it encounters OOM, which
allows the entire sanitizer's allocator to follow
allocator_may_return_null=1 policy
(LargeMmapAllocator: https://reviews.llvm.org/D34243, SizeClassAllocator64: https://reviews.llvm.org/D34433).


https://reviews.llvm.org/D34540

Files:
  lib/sanitizer_common/sanitizer_allocator_local_cache.h
  lib/sanitizer_common/sanitizer_allocator_primary64.h
  lib/sanitizer_common/sanitizer_common.h
  lib/sanitizer_common/sanitizer_posix.cc
  lib/sanitizer_common/sanitizer_win.cc
  lib/sanitizer_common/tests/sanitizer_allocator_test.cc

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