https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102960
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Martin Sebor <mse...@gcc.gnu.org>: https://gcc.gnu.org/g:ba6e17e78db543b336c196b55fa6430e513f1941 commit r12-5310-gba6e17e78db543b336c196b55fa6430e513f1941 Author: Martin Sebor <mse...@redhat.com> Date: Tue Nov 16 09:18:25 2021 -0700 Avoid assuming maximum string length is constant [PR102960]. Resolves: PR tree-optimization/102960 - ICE: in sign_mask, at wide-int.h:855 in GCC 10.3.0 gcc/ChangeLog: PR tree-optimization/102960 * gimple-fold.c (get_range_strlen): Take bitmap as an argument rather than a pointer to it. (get_range_strlen_tree): Same. Remove bitmap allocation. Use an auto_bitmap. (get_maxval_strlen): Use an auto_bitmap. * tree-ssa-strlen.c (get_range_strlen_dynamic): Factor out PHI handling... (get_range_strlen_phi): ...into this function. Avoid assuming maximum string length is constant (printf_strlen_execute): Dump pointer query cache contents when details are requisted. gcc/testsuite/ChangeLog: PR tree-optimization/102960 * gcc.dg/Wstringop-overflow-84.c: New test.
