[all-commits] [llvm/llvm-project] a6a2a7: [OpenACC] Fix Crash on collapse that doesn't check...

[Erich Keane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a6a2a717c57aaa3fd3beb98bfa55c2f2f285a024
      https://github.com/llvm/llvm-project/commit/a6a2a717c57aaa3fd3beb98bfa55c2f2f285a024
  Author: Erich Keane <ekeane at nvidia.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/lib/Sema/TreeTransform.h
    M clang/test/SemaOpenACC/loop-construct-collapse-clause.cpp

  Log Message:
  -----------
  [OpenACC] Fix Crash on collapse that doesn't check its transform (#191836)

GH191833 reports a problem with tree transformation of a collapse clause
when the expression in the clause is invalid. This patch makes sure we
skip out of transforming this clause if it ever encounters an invalid
expression.

I also analyzed the rest of the clauses in this visitor and found 1
other that was suspicious, so I added a check for that one as well. The
rest seemingly were all done correctly.

Fixes: #191833



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