https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89868
--- Comment #6 from Jonny Grant <jg at jguk dot org> ---
(In reply to Andrew Pinski from comment #5)
> Actually it comes from the shell.
>
> e.g. from bash:
> if ((WIFSTOPPED (show->status) == 0) &&
> (WIFCONTINUED (show->status) == 0) &&
> WIFCORED (show->status))
> fprintf (stream, _("(core dumped) "));
>
> As WIFCORED is set on status.
>
> WIFCORED is really a define for WCOREDUMP.
>
> http://man7.org/linux/man-pages/man2/waitpid.2.html
>
> So basically the kernel does not communicate why a core is not dumped to the
> waiting (parent) process.
Hi Andrew
Thank you for tracking that down. It is a shame, there isn't a WCORETOOLARGE,
or WUNABLETOCOREDUMP etc.. I wonder really how big the core must be to be
unable to save
Could I ask, if you run the test case with Asan, do you see the same behaviour?
