[all-commits] [llvm/llvm-project] be3a8b: [clang] Add C++26 diagnostics to compatibility dia...

[Vlad Serebrennikov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: be3a8b8d94608746b22cb0cf3fc03af33b7d8648
      https://github.com/llvm/llvm-project/commit/be3a8b8d94608746b22cb0cf3fc03af33b7d8648
  Author: Vlad Serebrennikov <serebrennikov.vladislav at gmail.com>
  Date:   2024-07-06 (Sat, 06 Jul 2024)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/DiagnosticGroups.td

  Log Message:
  -----------
  [clang] Add C++26 diagnostics to compatibility diagnosic groups (#97806)

This patch adds `CXXPre26Compat` and `CXXPre26CompatPedantic` groups
(which are concerned with new features not available in older language
modes) to `CXX98Compat`, etc. This way, if user has `-Wc++20-compat` and
they use pack indexing, they will be warned.

Ideally this should have been done when C++26 groups were created, but
we shipped two releases of Clang since then.



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