[PATCH] D68953: Enable most VFS tests on Windows

[Adrian McCarthy via Phabricator via llvm-commits]

amccarth created this revision.
amccarth added a reviewer: rnk.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

Inconsistencies in when/if paths are cannoicalized prevented VFS tests from working on Windows.  This fixes the primary cause and enables most of the tests (15/20).

Remaining VFS tests are still XFAILed on Windows because there are additional causes in some code paths.  I plan to diagnose and correct those in a future patch.


https://reviews.llvm.org/D68953

Files:
  clang/lib/Lex/HeaderSearch.cpp
  clang/test/VFS/external-names.c
  clang/test/VFS/framework-import.m
  clang/test/VFS/implicit-include.c
  clang/test/VFS/include-mixed-real-and-virtual.c
  clang/test/VFS/include-real-from-virtual.c
  clang/test/VFS/include-virtual-from-real.c
  clang/test/VFS/include.c
  clang/test/VFS/incomplete-umbrella.m
  clang/test/VFS/module-import.m
  clang/test/VFS/real-path-found-first.m
  clang/test/VFS/relative-path.c
  clang/test/VFS/umbrella-framework-import-skipnonexist.m
  llvm/lib/Support/VirtualFileSystem.cpp

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