[all-commits] [llvm/llvm-project] 9a1860: [clang][Lex] add -Wnonportable-include-path-separa...

[Rose Hudson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9a1860c45a915328b392fa1af0bbc75dbe96af7f
      https://github.com/llvm/llvm-project/commit/9a1860c45a915328b392fa1af0bbc75dbe96af7f
  Author: Rose Hudson <rose.hudson at sony.com>
  Date:   2026-04-07 (Tue, 07 Apr 2026)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/DiagnosticGroups.td
    M clang/include/clang/Basic/DiagnosticLexKinds.td
    M clang/include/clang/Basic/SourceManager.h
    M clang/lib/Lex/PPDirectives.cpp
    A clang/test/Lexer/backslash-include-win.c

  Log Message:
  -----------
  [clang][Lex] add -Wnonportable-include-path-separator (#186770)

Emit an warning when #include paths contain backslashes, with a fixit to
convert them all to '/'. This can help users that build only on Windows
to automatically make their #includes more portable. The warning is off
by default due to being noisy and not always desirable.



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