https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98758
--- Comment #3 from CVS 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:34599780d0de72faf5719ea08d11a061722b9d19 commit r11-6811-g34599780d0de72faf5719ea08d11a061722b9d19 Author: Richard Biener <rguent...@suse.de> Date: Wed Jan 20 08:48:34 2021 +0100 tree-optimization/98758 - fix integer arithmetic in data-ref analysis This fixes some int arithmetic issues and a bogus truncation. 2021-01-20 Richard Biener <rguent...@suse.de> PR tree-optimization/98758 * tree-data-ref.c (int_divides_p): Use lambda_int arguments. (lambda_matrix_right_hermite): Avoid undefinedness with signed integer abs and multiplication. (analyze_subscript_affine_affine): Use lambda_int. * gcc.dg/torture/pr98758.c: New testcase.