[PATCH] D137473: [vfs] Allow root paths relative to the directory of the vfsoverlay YAML file

[Haowei Wu via Phabricator via cfe-commits]

haowei updated this revision to Diff 475574.
haowei added a comment.

I have to revert back to use process cwd instead of base fs cwd. There are a few tests relied the behavior of using process cwd that I need to take a closer look.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137473/new/

https://reviews.llvm.org/D137473

Files:
  clang/test/VFS/Inputs/root-relative-overlay.yaml
  clang/test/VFS/relative-path.c
  llvm/include/llvm/Support/VirtualFileSystem.h
  llvm/lib/Support/VirtualFileSystem.cpp
  llvm/unittests/Support/VirtualFileSystemTest.cpp

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