>>782
そうなると GCC も「全く理解出来てない」ことになるねぇ。
https://wandbox.org/permlink/WMFUTpXAgs2oZuos
> prog.cc:5:17: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> *(long long*)&f = i;
> ^
> prog.cc:6:18: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> f = *(double*)&i;
> ^