[Bug tree-optimization/116651] vector::operator== on a newly created single element vector is not that good

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116651

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 62225
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62225&action=edit
Patch for the vector<int> case