[all-commits] [llvm/llvm-project] e32d39: [clang][test] Fix test failures when LLVM_WINDOWS_...

[Takuto Ikuta via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e32d3938f164e951f12e02bdad185d6cf9aa4274
      https://github.com/llvm/llvm-project/commit/e32d3938f164e951f12e02bdad185d6cf9aa4274
  Author: Takuto Ikuta <tikuta at google.com>
  Date:   2026-04-28 (Tue, 28 Apr 2026)

  Changed paths:
    M clang/test/DebugInfo/Generic/debug-prefix-map.c
    M clang/test/Driver/ps4-ps5-linker-win.c
    M clang/test/Frontend/absolute-paths-windows.test
    M clang/test/Frontend/dependency-gen-windows-duplicates.c
    M clang/test/Preprocessor/file_test_windows.c
    M clang/test/lit.cfg.py
    M clang/unittests/Basic/FileManagerTest.cpp
    M clang/unittests/Driver/ToolChainTest.cpp
    M clang/unittests/Frontend/ReparseWorkingDirTest.cpp

  Log Message:
  -----------
  [clang][test] Fix test failures when LLVM_WINDOWS_PREFER_FORWARD_SLASH is ON (#193156)

This commit addresses several test failures in Clang that occur on
Windows when
the CMake option -DLLVM_WINDOWS_PREFER_FORWARD_SLASH=ON is enabled.

Key changes:
- unit tests: Normalized expected paths to native style using
llvm::sys::path::native
(Basic/FileManagerTest, Frontend/ReparseWorkingDirTest) or updated
diagnostic matching
  to be separator-agnostic (Driver/ToolChainTest).
- regression tests: Updated FileCheck patterns to use flexible regex
{{[/\\\\]}} or
  {{[/\\\\]+}} to match both path separator styles.
- absolute-paths-windows.test: Skipped when forward slashes are
preferred because
mklink does not support forward slashes in directory paths and
interprets them
as command-line switches. Added 'windows-prefer-forward-slash' lit
feature.



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