[llvm-branch-commits] [llvm] release/18.x: [AArc64][GlobalISel] Fix legalizer assert for G_INSERT_VECTOR_ELT - manual merge (PR #91672)

[Tom Stellard via llvm-branch-commits]

tstellar wrote:

@aemerson (or anyone else). If you would like to add a note about this fix in the release notes (completely optional). Please reply to this comment with a one or two sentence description of the fix.  When you are done, please add the release:note label to this PR.

https://github.com/llvm/llvm-project/pull/91672