[all-commits] [llvm/llvm-project] a9bb97: [msan] Break optimization in memccpy tests

Nikita Popov via All-commits all-commits at lists.llvm.org
Wed Dec 22 05:45:38 PST 2021

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a9bb97e8410b09446c8d6da3b7bb493f79a4aaea
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2021-12-22 (Wed, 22 Dec 2021)

  Changed paths:
    M compiler-rt/lib/msan/tests/msan_test.cpp

  Log Message:
  [msan] Break optimization in memccpy tests

After D116148 the memccpy gets optimized away and the expected
uninitialized memory access does not occur.

Make sure the call does not get optimized away.

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