[Bug c++/60345] [4.9 Regression] r208159 causes Firefox build error

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60345

--- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> ---
struct C {};
struct J : C {};
struct A {
  operator J* ();
};
A p;
C* const& q = p;

(I'll stop there ;-)