[Bug libstdc++/71660] [5/6/7/8 regression] alignment of std::atomic<8 byte primitive type> (long long, double) is wrong on x86

[thiago at kde dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71660

--- Comment #12 from Thiago Macieira <thiago at kde dot org> ---
Another problem is that we've now had a couple of years with this issue, so
it's probably worse to make a change again.