[all-commits] [llvm/llvm-project] 5d3b3e: [libcxx] Mark system_reserved_names.gen.py unsuppo...

[Martin Storsjö via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5d3b3eaaa02b52dcf4a0a4ed409c683972377c96
      https://github.com/llvm/llvm-project/commit/5d3b3eaaa02b52dcf4a0a4ed409c683972377c96
  Author: Martin Storsjö <martin at martin.st>
  Date:   2025-10-03 (Fri, 03 Oct 2025)

  Changed paths:
    M libcxx/test/libcxx/system_reserved_names.gen.py

  Log Message:
  -----------
  [libcxx] Mark system_reserved_names.gen.py unsupported on clang-20 && msvc (#161811)

Clang 20 (and early 21 versions; let's hope it can be fixed before the
later versions before such versions become relevant for libcxx CI) have
got an issue with its intrinsics headers, where they use unreserved
names, that users are allowed to override.

See https://github.com/llvm/llvm-project/issues/161808 for the issue
report.

This only crops up in the MSVC build configurations, as recent versions
of some MSVC/UCRT headers include `<intrin.h>`, which ends up pulling in
most intrinsics headers, exposing this issue in the Clang headers.

This should unblock https://github.com/llvm/llvm-project/pull/161736
from being merged.



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