https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64812
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|i?86-*-* |
Status|WAITING |NEW
CC| |hubicka at gcc dot gnu.org
Component|regression |ipa
Known to fail| |5.0
--- Comment #7 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat fmgridif.ii
template <class T> class A
{
T *p;
public:
A (T *p1) : p (p1) { p->acquire (); }
};
class B
{
public:
virtual void acquire ();
};
class D : public B
{
};
class F : B
{
int mrContext;
};
class WindowListenerMultiplexer : F, public D
{
void
acquire ()
{
acquire ();
}
};
class C
{
void createPeer () throw ();
WindowListenerMultiplexer maWindowListeners;
};
class FmXGridPeer
{
public:
void addWindowListener (A<D>);
} a;
void
C::createPeer () throw ()
{
a.addWindowListener (&maWindowListeners);
}
markus@x4 tmp % g++ -Os -c fmgridif.ii && nm --demangle fmgridif.o | grep
WindowListenerMultiplexer
U non-virtual thunk to WindowListenerMultiplexer::acquire()
markus@x4 tmp % g++ -O2 -c fmgridif.ii && nm --demangle fmgridif.o | grep
WindowListenerMultiplexer
0000000000000000 W WindowListenerMultiplexer::acquire()
0000000000000010 W non-virtual thunk to WindowListenerMultiplexer::acquire()
Not sure if the devirtualization is valid. Honza?
