[Bug c++/119322] Different results between -O1 and -O3

[egor.pugin at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119322

--- Comment #2 from Egor Pugin <egor.pugin at gmail dot com> ---
Tried this without -fno-strict-aliasing

I suspect it was something on my side.

With -fno-strict-aliasing answer is 0.