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

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a9bb97e8410b09446c8d6da3b7bb493f79a4aaea
      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.