[Bug c++/65890] [C++03]sizeof(qualified-id) accepted when the operand denotes a non-static member

[frankhb1989 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65890

--- Comment #2 from frankhb1989 at gmail dot com ---
Tested here: http://melpon.org/wandbox/, both G++ 5.1 and 6.0 accepted the
invalid code.