https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103231
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|unknown |12.0
Keywords| |ice-on-valid-code
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You might want to try adding "--param ggc-min-expand=1 --param
ggc-min-heapsize=1", it might cause the ICE to be come deterministic.
There are a few other options including running cc1 under valgrind too.