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

[jakub at gcc dot gnu.org]

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

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The set1 == 0 stuff has been added in r136679.