[Bug tree-optimization/85186] ifcvt can peel iterations affecting code form, and causing vectorization not to happen

[hp at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85186

--- Comment #3 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
Created attachment 43836
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43836&action=edit
case 4