[Bug middle-end/108712] Missing optimization with memory-barrier

[klaus.doldinger64 at googlemail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108712

--- Comment #1 from Wilhelm M <klaus.doldinger64 at googlemail dot com> ---
And using

__asm__ __volatile__ ("" : : : "memory"); 


there is no optimization at all.