[llvm] [X86] Don't save/restore fp around longjmp instructions (PR #102556)

[via llvm-commits]

weiguozhi wrote:

> Should this be backported to 19.x?

This is a bug fix for https://github.com/llvm/llvm-project/commit/0d471b3f64d3116bd57c79d872f7384fff80daa5. So it depends on whether https://github.com/llvm/llvm-project/commit/0d471b3f64d3116bd57c79d872f7384fff80daa5 is included in 19.x.

https://github.com/llvm/llvm-project/pull/102556