[all-commits] [llvm/llvm-project] c41e1e: [clang] Fix crash on assigning to _Atomic vectors ...

[Daniel Petrovic via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c41e1ef6e1cc650cd05328155408ecb705986f09
      https://github.com/llvm/llvm-project/commit/c41e1ef6e1cc650cd05328155408ecb705986f09
  Author: Daniel Petrovic <daniel-dev at hotmail.de>
  Date:   2026-09-23 (Wed, 23 Sep 2026)

  Changed paths:
    M clang/lib/AST/ByteCode/Compiler.cpp
    M clang/lib/AST/ExprConstant.cpp
    M clang/test/Sema/vector-assign.c

  Log Message:
  -----------
  [clang] Fix crash on assigning to _Atomic vectors (#225125)

As described in the issue itself: d=c on _Atomic vector crashed during
the overflow check because isVectorType() doesn't look through _Atomic.
Strip _Atomic before checking operand types.

Fixes #225039

bt:
<img width="1908" height="825" alt="225039_crash_atomic_vector"
src="https://github.com/user-attachments/assets/c5d48ba5-fa9b-43f8-a555-8b9bbe558152"
/>

Co-authored-by: Timm Baeder <tbaeder at redhat.com>



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