[Bug tree-optimization/81292] [8 regression] ICE in zero_length_string, at tree-ssa-strlen.c:822

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81292

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Comment on attachment 41671
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41671
Proposed patch

LGTM