gcc/testsuite/g++.dg/template/defarg15.C


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// PR c++/54198

template <typename T> void
refIfNotNull (T* p1)
{
    p1->ref;
}
template <typename T> struct A
{
    A (T* p1)
    {
        refIfNotNull (p1);
    }
};
class B;
class C
{
    void getParent (A <B> = 0);
};