[all-commits] [llvm/llvm-project] 813f68: [clang] Reject VLAs in `__is_layout_compatible()` ...

[Vlad Serebrennikov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 813f68caf42260452ad7a5cc224ef199a2ad0067
      https://github.com/llvm/llvm-project/commit/813f68caf42260452ad7a5cc224ef199a2ad0067
  Author: Vlad Serebrennikov <serebrennikov.vladislav at gmail.com>
  Date:   2024-04-06 (Sat, 06 Apr 2024)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/Sema/SemaExprCXX.cpp
    M clang/test/SemaCXX/type-traits.cpp

  Log Message:
  -----------
  [clang] Reject VLAs in `__is_layout_compatible()` (#87737)

This is a follow-up to #81506. Since `__is_layout_compatible()` is a C++
intrinsic
(https://github.com/llvm/llvm-project/blob/ff1e72d68d1224271801ff5192a8c14fbd3be83b/clang/include/clang/Basic/TokenKinds.def#L523),
I don't think we should define how it interacts with VLA extension
unless we have a compelling reason to.

Since #81506 was merged after 18 cut-off, we don't have to follow any
kind of deprecation process.



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