[Bug tree-optimization/100653] usage of scalar_storage_order produces incorrect result

[ebotcazou at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100653

--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Not at the moment, although this could probably be implemented.  But a
> simple rule of thumb is to avoid using scalar_storage_order with unions at
> all.

I'm going to implement a simple warning for unions.