[llvm-branch-commits] [clang] release/18.x [X86_64] fix SSE type error in vaarg (PR #86698)

[Phoebe Wang via llvm-branch-commits]

phoebewang wrote:

> @phoebewang What do you think about backporting this?

I think the patch doesn't fix all problem in #86371, suggest to reevaluate it. @efriedma-quic may take another look.

https://github.com/llvm/llvm-project/pull/86698