https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97378
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Aldy Hernandez <al...@gcc.gnu.org>: https://gcc.gnu.org/g:82118acc18e416b9c82c82ce7737f5e6246d6574 commit r11-3830-g82118acc18e416b9c82c82ce7737f5e6246d6574 Author: Aldy Hernandez <al...@redhat.com> Date: Mon Oct 12 10:41:21 2020 -0400 operator_trunc_mod::wi_fold: Return VARYING for mod by zero. gcc/ChangeLog: PR tree-optimization/97378 * range-op.cc (operator_trunc_mod::wi_fold): Return VARYING for mod by zero. gcc/testsuite/ChangeLog: * gcc.dg/pr97378.c: New test.