[all-commits] [llvm/llvm-project] 2df6ef: [DFSan] Re-enable event_callbacks test.

[Matt Morehouse via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 2df6efedef5c7647f966ba238a2901eb4b98204d
      https://github.com/llvm/llvm-project/commit/2df6efedef5c7647f966ba238a2901eb4b98204d
  Author: Matt Morehouse <mascasa at google.com>
  Date:   2020-09-11 (Fri, 11 Sep 2020)

  Changed paths:
    M compiler-rt/test/dfsan/event_callbacks.c

  Log Message:
  -----------
  [DFSan] Re-enable event_callbacks test.

Mark the dest pointers for memcpy and memmove as volatile, to avoid dead
store elimination.  Fixes https://bugs.llvm.org/show_bug.cgi?id=47488.