[Bug c/116642] miscompilation involving vfork child.

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116642

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #4)
> >either modifies any data other than a variable
>        of type pid_t used to store the return value from vfork()
> 
> Is the case here.

That is you are modifying argv after the vfork which is undefined.