[Bug inline-asm/80470] Can't compile wait4 implementation on i586 target

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80470

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I think we have other PRs that ICE or do bad things if "esp"/"rsp" is clobbered
in inline-asm, e.g. PR80367 recently.