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

[marxin at gcc dot gnu.org]

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

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Uroš Bizjak from comment #2)
> You should not clobber esp.

Works for me, thanks. Can you please explain me why it makes problem? Is it
because not enough registers or?