[Bug target/96875] Aliased pointers to union members result in different output with optimisation level.

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96875

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
There is a defect report against the C standard about this case and a much
older gcc bugzilla filed too.