[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 created this revision.
eric_niebler added a reviewer: bruno.
eric_niebler added a subscriber: llvm-commits.

See a full discussion of this patch starting at http://lists.llvm.org/pipermail/cfe-dev/2016-April/048298.html. 

http://reviews.llvm.org/D19842

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

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