[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 #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2664.htm