[Bug tree-optimization/115347] [12/13/14/15 Regression] wrong code at -O3 on x86_64-linux-gnu since r12-2097

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115347

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
So this maybe needs "add_inner_distances" as we have add_outer_distances?  We
still get only ( 0 0 ) as zero distance.