[Bug tree-optimization/120654] [14/15/16 Regression] Crash at -O3: during GIMPLE pass: ivopts

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120654

--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:6bd1223bd55ed60fa5dbfd4a8444e133e5e933f5

commit r16-1589-g6bd1223bd55ed60fa5dbfd4a8444e133e5e933f5
Author: Richard Biener <rguent...@suse.de>
Date:   Fri Jun 20 11:14:38 2025 +0200

    tree-optimization/120654 - ICE with range query from IVOPTs

    The following ICEs as we hand down an UNDEFINED range to where it
    isn't expected.  Put the guard that's there earlier.

            PR tree-optimization/120654
            * vr-values.cc (range_fits_type_p): Check for undefined_p ()
            before accessing type ().

            * gcc.dg/torture/pr120654.c: New testcase.