[Bug rtl-optimization/78778] non-atomic load moved to before atomic load with std::memory_order_acquire

[erik at rigtorp dot se]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78778

--- Comment #4 from Erik Rigtorp <erik at rigtorp dot se> ---
Looks like this was fixed in trunk: https://godbolt.org/g/nxGRdm