[PATCH] D53789: [hwasan] optionally right-align heap allocations

[Kostya Serebryany via Phabricator via llvm-commits]

kcc updated this revision to Diff 171804.
kcc added a comment.

use the pointer tag's bit as a source of randmness.
split the test lines for right and left alignment.


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D53789

Files:
  lib/hwasan/hwasan_allocator.cc
  lib/hwasan/hwasan_allocator.h
  lib/hwasan/hwasan_flags.inc
  test/hwasan/TestCases/heap-buffer-overflow.c
  test/hwasan/TestCases/use-after-free.c

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