[Bug 264834] clang crashes on math/vtk8

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264834

--- Comment #11 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=91ec809f0a90798296697cfc9afdb1c50c6d4971

commit 91ec809f0a90798296697cfc9afdb1c50c6d4971
Author:     Dimitry Andric <dim@FreeBSD.org>
AuthorDate: 2022-09-27 21:45:56 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2022-09-27 21:45:56 +0000

    Apply llvm fix for assertion/crash building math/vtk

    Merge commit 307ace7f20d5 from llvm git (by David Sherwood):

      [LoopVectorize] Ensure the VPReductionRecipe is placed after all it's
inputs

      When vectorising ordered reductions we call a function
      LoopVectorizationPlanner::adjustRecipesForReductions to replace the
      existing VPWidenRecipe for the fadd instruction with a new
      VPReductionRecipe. We attempt to insert the new recipe in the same
      place, but this is wrong because createBlockInMask may have
      generated new recipes that VPReductionRecipe now depends upon. I
      have changed the insertion code to append the recipe to the
      VPBasicBlock instead.

      Added a new RUN with tail-folding enabled to the existing test:

        Transforms/LoopVectorize/AArch64/scalable-strict-fadd.ll

      Differential Revision: https://reviews.llvm.org/D129550

    Reported by:    yuri
    PR:             264834
    MFC after:      3 days

 contrib/llvm-project/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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