https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85814
--- Comment #9 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- Author: rsandifo Date: Tue May 22 17:32:37 2018 New Revision: 260540 URL: https://gcc.gnu.org/viewcvs?rev=260540&root=gcc&view=rev Log: Fix tree-ssa-strlen handling of partial clobbers (PR85814) Backport trunk fix (r260488). 2018-05-22 Richard Sandiford <richard.sandif...@linaro.org> gcc/ PR tree-optimization/85814 * tree-ssa-strlen.c (get_stridx_plus_constant): Cope with a null return from get_strinfo when unsharing the next strinfo in the chain. gcc/testsuite/ PR tree-optimization/85814 * gcc.dg/torture/pr85814.c: New test. Added: branches/gcc-8-branch/gcc/testsuite/gcc.dg/torture/pr85814.c Modified: branches/gcc-8-branch/gcc/ChangeLog branches/gcc-8-branch/gcc/testsuite/ChangeLog branches/gcc-8-branch/gcc/tree-ssa-strlen.c
