[PATCH] D19842: In openFileForRead, attempt to fetch the actual name of the file on disk -- including case -- so that clang can later warn about non-portable #include and #import directives.

[Eric Niebler via llvm-commits]

eric_niebler updated this revision to Diff 59469.
eric_niebler added a comment.

Add unittest for `openFileForRead`; assorted stylistic tweaks.


http://reviews.llvm.org/D19842

Files:
  include/llvm/Support/FileSystem.h
  lib/Support/Unix/Path.inc
  lib/Support/Windows/Path.inc
  unittests/Support/Path.cpp

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