[PATCH] D36780: [llvm-dlltool] Don't crash if no def file is provided or it can't be opened

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo added a subscriber: hans.
mstorsjo added a comment.

@hans - I guess this should be backport-worthy as well?


Repository:
  rL LLVM

https://reviews.llvm.org/D36780