[PATCH] D56769: Path: enhance prefix mapping

[Dan McGregor via Phabricator via llvm-commits]

dankm updated this revision to Diff 182119.
dankm added a comment.

Rewrote and simplified the replace_path_prefix function, and added a bunch of tests to catch corner cases I noticed during testing.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56769/new/

https://reviews.llvm.org/D56769

Files:
  include/llvm/Support/Path.h
  lib/Support/Path.cpp
  unittests/Support/Path.cpp

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