[Bug c++/60347] [4.9 Regression] r208153 breaks Firefox build

[trippels at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60347

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P1                          |P3
             Status|ASSIGNED                    |UNCONFIRMED
   Last reconfirmed|2014-02-26 00:00:00         |
           Assignee|jason at gcc dot gnu.org           |unassigned at gcc dot gnu.org
     Ever confirmed|1                           |0

--- Comment #3 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 html % cat test.ii
template <class T> class nsRefPtr {
  T *mRawPtr;

public:
  typedef T element_type;
  ~nsRefPtr() { mRawPtr->Release; }
};

class nsSlots {
public:
  virtual ~nsSlots();
};
class A;
class B : nsSlots {
  nsRefPtr<A> mContainingShadow;
};

markus@x4 html % g++ -O2 -c test.ii
test.ii: In instantiation of ‘nsRefPtr<T>::~nsRefPtr() [with T = A]’:
test.ii:14:7:   required from here
test.ii:6:17: error: invalid use of incomplete type ‘class A’
   ~nsRefPtr() { mRawPtr->Release; }
                 ^
test.ii:13:7: error: forward declaration of ‘class A’
 class A;
       ^