[Bug middle-end/105654] transparent_union, function pointer and different types arguments causes null pointer to be passed

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105654

--- Comment #3 from Andreas Schwab <sch...@linux-m68k.org> ---
The declaration with the transparent union allows redeclarations with either of
the contained types.