[PATCH] D56549: Add support for prefix-only CLI options

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

thopre updated this revision to Diff 181069.
thopre added a comment.

Clarify what happens in LookupOption when failing to match an option.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56549/new/

https://reviews.llvm.org/D56549

Files:
  llvm/include/llvm/Support/CommandLine.h
  llvm/lib/Support/CommandLine.cpp
  llvm/unittests/Support/CommandLineTest.cpp

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