[all-commits] [llvm/llvm-project] 0867c0: [ClangScanDeps][test] Add -fmodules-cache-path=DIR...

[Fangrui Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0867c017e55e3a3d457f26bb778a2cd80d86e1f4
      https://github.com/llvm/llvm-project/commit/0867c017e55e3a3d457f26bb778a2cd80d86e1f4
  Author: Fangrui Song <i at maskray.me>
  Date:   2021-09-13 (Mon, 13 Sep 2021)

  Changed paths:
    M clang/test/ClangScanDeps/Inputs/diagnostics/cdb.json.template

  Log Message:
  -----------
  [ClangScanDeps][test] Add -fmodules-cache-path=DIR/cache to make diagnostics.c hermetic

Otherwise it may access sys::path::cache_directory/clang/ModuleCache which may not be writable.