[PATCH] D123103: Revert "[VFS] RedirectingFileSystem only replace path if not already mapped"

[Ben Barham via Phabricator via cfe-commits]

bnbarham created this revision.
bnbarham added a reviewer: dexonsmith.
Herald added a subscriber: hiraditya.
Herald added a project: All.
bnbarham requested review of this revision.
Herald added projects: clang, LLVM.
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This reverts commit 3fda0edc51fd68192a30e302d45db081bb02d7f9 <https://reviews.llvm.org/rG3fda0edc51fd68192a30e302d45db081bb02d7f9>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D123103

Files:
  clang/lib/Basic/FileManager.cpp
  clang/test/VFS/external-names-multi-overlay.c
  llvm/include/llvm/Support/VirtualFileSystem.h
  llvm/lib/Support/VirtualFileSystem.cpp
  llvm/unittests/Support/VirtualFileSystemTest.cpp

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