[Bug tree-optimization/97378] [11 Regression] ICE in tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 since r11-3685-gfcae5121154d1c33

[cvs-commit at gcc dot gnu.org]

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 <aldyh@gcc.gnu.org>:

https://gcc.gnu.org/g:82118acc18e416b9c82c82ce7737f5e6246d6574

commit r11-3830-g82118acc18e416b9c82c82ce7737f5e6246d6574
Author: Aldy Hernandez <aldyh@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.