[Bug middle-end/115882] Don't alwsys promote memory_order_consume to memory_order_acquire

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115882

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>before C++20 came out.

I am not sure things changed for C++20 ...