[Bug libfortran/90038] execute_command_line should not use fork()

[kargl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90038

kargl at gcc dot gnu.org changed:

           What    |Removed                     |Added
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                 CC|                            |kargl at gcc dot gnu.org

--- Comment #4 from kargl at gcc dot gnu.org ---
(In reply to Janne Blomqvist from comment #3)
> Further testing revealed that it leaves zombie processes around as the child
> is never wait()'ed for. E.g.
> 
> program cmd
>   implicit none
>   call execute_command_line("echo hi", wait=.FALSE.)
>   call sleep(30)
> end program cmd

What does 'it' refer to?  fork() is leaving a zombie?
posix_spawn() is leaving a zombie?