[all-commits] [llvm/llvm-project] f8b012: [Clang][Driver] default-on include path backslash ...

[Rose Hudson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f8b0120edb7f19b30870462299e5f7eb0e40f656
      https://github.com/llvm/llvm-project/commit/f8b0120edb7f19b30870462299e5f7eb0e40f656
  Author: Rose Hudson <rose.hudson at sony.com>
  Date:   2026-06-09 (Tue, 09 Jun 2026)

  Changed paths:
    M clang/lib/Driver/ToolChains/PS4CPU.cpp
    M clang/lib/Driver/ToolChains/PS4CPU.h
    M clang/test/Driver/ps4-ps5-toolchain.c

  Log Message:
  -----------
  [Clang][Driver] default-on include path backslash warning on PS5 (#202300)

It seems like there is precedent for using addClangWarningOptions in the
driver to set warning default states per-target, in e.g. AMDGPU.

These warnings are usually disabled by default to avoid overdiagnosing
common patterns on Windows host+target builds which don't care about
portability. Since PS5 builds are cross-compiled it makes less sense to
assume things about the host, so we want to diagnose portability issues
more eagerly.



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