[Bug tree-optimization/111499] [12/13/14/15 Regression] -Wstringop-overread warning in std::vector less operator< for __builtin_memcmp call

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111499

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 60999
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60999&action=edit
This adds a few helpers to begin/end

I am not 100% sure this is the best place for this but I think this could help
other code too.