https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92452
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 47211 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47211&action=edit gcc10-pr92452.patch Untested fix. TRUNC_DIV_EXPR of a POLY_INT_CST with INTEGER_CST folds into NULL_TREE, because for poly ints only +/-/* and similar operations are handled.