[Bug tree-optimization/125040] [15/16/17 regression] internal compiler error: in clean, at tree-ssa-pre.cc:2166, during GIMPLE pass: pre

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125040

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 64862
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64862&action=edit
patch ICEing on cycles

Fixed value/expression cycle detection, it doesn't trip.