[Bug c++/80593] [7/8 Regression] GCC 7, aligned_storage and “dereferencing type-punned pointer will break strict-aliasing rules”

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80593

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Breaks at least g++.dg/warn/Wstrict-aliasing-6.C which I think is expected
fallout.