[PATCH] D46941: [Debugify] Print errors and warnings to stderr

[Anastasis via Phabricator via llvm-commits]

gramanas updated this revision to Diff 147320.
gramanas added a comment.

Test that debugify can be safely used with piping


Repository:
  rL LLVM

https://reviews.llvm.org/D46941

Files:
  test/DebugInfo/debugify-each.ll
  test/DebugInfo/debugify.ll
  test/Transforms/Mem2Reg/PromoteMemToRegister.ll
  tools/opt/Debugify.cpp

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