https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78534
--- Comment #9 from Janne Blomqvist <jb at gcc dot gnu.org> --- (In reply to Dominique d'Humieres from comment #8) > Will it help for pr66310? Probably yes, to the extent that with 64-bit indices the repeat count can be a lot larger than you can afford to buy RAM. :) I ran into a similar issues as in that PR, and put in an arbitrary limit in the frontend simplicitation function of 4 MB.