[PATCH] D72914: [FileCheck] Strengthen error checks in unit tests

[Thomas Preud'homme via Phabricator via llvm-commits]

thopre updated this revision to Diff 239202.
thopre added a comment.

Add missing error checks


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D72914/new/

https://reviews.llvm.org/D72914

Files:
  llvm/unittests/Support/FileCheckTest.cpp

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