[Bug c/63729] Type-punning through a union fails to circumvent strict aliasing under certain conditions.

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63729

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
There is no type punning through an union here.  You can't use a cast to do the
type punning through an union.