[Bug middle-end/102294] structure assignment slower than memberwise initialization

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102294

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
First atomic_set has an volatile store in it which messes things up a lot.