https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92226
--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> --- Author: msebor Date: Mon Oct 28 23:46:09 2019 New Revision: 277545 URL: https://gcc.gnu.org/viewcvs?rev=277545&root=gcc&view=rev Log: PR tree-optimization/92226 - live nul char store to array eliminated gcc/testsuite/ChangeLog: PR tree-optimization/92226 * gcc.dg/strlenopt-88.c: New test. gcc/ChangeLog: PR tree-optimization/92226 * tree-ssa-strlen.c (compare_nonzero_chars): Return -1 also when the offset is in the open range outlined by SI's length. Added: trunk/gcc/testsuite/gcc.dg/strlenopt-88.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-strlen.c