[llvm-branch-commits] [llvm] release/22.x: [SystemZ] Fix internal error with single-element vector types (#196127) (PR #196147)

[Ulrich Weigand via llvm-branch-commits]

https://github.com/uweigand approved this pull request.

It would be good to backport this patch, which fixes an internal compiler error seen in the field, and should have very low risk of regression.

https://github.com/llvm/llvm-project/pull/196147