Comment 7 for bug 662324

I believe this is a smaller reproducer (the type of *a1 is not present
in debug info):

struct A
{
    virtual ~A();
};

struct B : public A
{
    virtual ~B(){}
};

struct C : public B
{
    A* a1;
};

int
main()
{
    C c;
    c.a1 = 0;
    return 0;
}