[all-commits] [llvm/llvm-project] fefdb4: [Clang] Fix Variable Length Array `_Countof` Crash...

[Vincent via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fefdb494bfb881047343fdcad95547205a9d60ff
      https://github.com/llvm/llvm-project/commit/fefdb494bfb881047343fdcad95547205a9d60ff
  Author: Vincent <llvm at viceroygroup.ca>
  Date:   2025-08-25 (Mon, 25 Aug 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/AST/ByteCode/Compiler.cpp
    M clang/lib/AST/ExprConstant.cpp
    A clang/test/Sema/gh152826.c

  Log Message:
  -----------
  [Clang] Fix Variable Length Array `_Countof` Crash (#154627)

Check for missing VLA size expressions (e.g. in int a[*][10]) before
evaluation to avoid crashes in _Countof and constant expression checks.

Fixes #152826



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