[Bug c++/114561] Comma operator with forwarding reference to pointer raises invalid lvalue required error

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114561

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #3)
> Further reduced:

Actually now that it's no longer a function template we don't even need to
instantiate it to trigger the error, so this is the minimal reproducer:

void create(void* u) {
    const void* const& r = ( (void)0, u );
}