https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116535
--- Comment #7 from Jan Hubicka <hubicka at ucw dot cz> ---
> void
> output_offload_tables (void)
> {
> ...
>
> /* In WHOPR mode during the WPA stage the joint offload tables need to be
> streamed to one partition only. That's why we free offload_funcs and
> offload_vars after the first call of output_offload_tables. */
> if (flag_wpa)
> {
> vec_free (offload_funcs);
> vec_free (offload_vars);
> vec_free (offload_ind_funcs);
> }
> }
>
> which obviously fails if multiple forks process such that each forks writes it
> once, before freeing the vector ...
We treat first partition somewhat specially in other code too, so I
guess we could a test if the streamed partition is first one instad of
relying on free to happen.
