// Build don't link:// Origin: Mark Mitchell <mark@codesourcery.com>struct A {};int main(){  A a;  typedef void (A::*F)();  F p;  const_cast<const A>(a); // ERROR - const_cast requires pointer/ref types  const_cast<F>(p); // ERROR - const_cast requires pointer/ref types  const_cast<int (*)()>(&main); // ERROR - function type in const_cast  const_cast<int (&)()>(main); // ERROR - function type in const_cast}