[all-commits] [llvm/llvm-project] a903ec: [vfs] Allow root paths relative to the vfsoverlay ...

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  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a903ecb4a26d8cf9a2e9e8369105682fd98f3982
      https://github.com/llvm/llvm-project/commit/a903ecb4a26d8cf9a2e9e8369105682fd98f3982
  Author: Haowei Wu <haowei at google.com>
  Date:   2022-12-16 (Fri, 16 Dec 2022)

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

  Log Message:
  -----------
  [vfs] Allow root paths relative to the vfsoverlay YAML file

This change adds 'root-relative' option in vfsoverlay YAML file format
so the root patchs can be relative to the YAML file directory instead of
the current working directory.

Differential Revision: https://reviews.llvm.org/D137473