[llvm-branch-commits] [llvm] release/22.x: x86: fix musttail sibcall miscompilation (#168956) (PR #176470)

[Cullen Rhodes via llvm-branch-commits]

c-rhodes wrote:

seems reasonable to me, but just want to double check with x86 maintainers before landing.

https://github.com/llvm/llvm-project/pull/176470