Jakub Jelinek <ja...@redhat.com> writes: > On Tue, May 16, 2017 at 09:02:08AM +0100, Richard Sandiford wrote: >> 2017-05-16 Richard Sandiford <richard.sandif...@linaro.org> >> >> gcc/ >> PR tree-optimization/80769 >> * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used >> for malloc and calloc. Document the new invariant that all related >> strinfos have delayed lengths or none do. >> (verify_related_strinfos): Move earlier in file. >> (set_endptr_and_length): New function, split out from... >> (get_string_length): ...here. Also set the lengths of related >> strinfos. >> (zero_length_string): Assert that chainsi has known (rather than >> delayed) lengths. >> (adjust_related_strinfos): Likewise. >> >> gcc/testsuite/ >> PR tree-optimization/80769 >> * gcc.dg/strlenopt-31.c: New test. >> * gcc.dg/strlenopt-31g.c: Likewise. > > Ok for trunk, sorry for the delay. I assume 7.x is not affected, right?
Thanks, applied. 6.x and 7.x have it too, so I'll try to backport a minimal fix if there's no fallout on trunk. Richard
