[PATCH] D95092: [VFS] Add a WorkingDirectoryFileSystem

[Jonas Devlieghere via Phabricator via llvm-commits]

JDevlieghere created this revision.
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This patch implements Duncan's suggestion from D94811 <https://reviews.llvm.org/D94811>. It allows us to extract the working directory logic from the virtual file system implementation. More specifically, it enables handling of purely virtual working directories in the RedirectingFileSystem. Currently, setting a working directory that does not exist in the RedirectingFileSystem's "underlying filesystem", disables falthrough to avoid inconsistencies.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D95092

Files:
  llvm/include/llvm/Support/VirtualFileSystem.h
  llvm/lib/Support/VirtualFileSystem.cpp
  llvm/unittests/Support/VirtualFileSystemTest.cpp

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