https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82848
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 42692 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42692&action=edit gcc8-pr82848.patch Untested fix. I think it is better to just punt on all the ones and get diagnostics. Technically, the problem is mostly in stuff that tree-vect-generic.c doesn't handle (FMA_EXPR, widening stuff, etc.), but I think it is just wrong to error on something with -mno-fold-gimple and not with -mfold-gimple.