[Bug tree-optimization/121109] [14/15/16 Regression] ICE at O2: verify_flow_info failed; multiple returns_twice function calls and a memset call

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121109

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
  _523(ab) = BIT_FIELD_REF <vect_buf$5_427.19_522(ab), 8, 0>;

Gets added by SLP.