40 struct S1 { } s1;  variable
78   ptr_fun(f1)(s1);  in mem_ptr_fun()
79   ptr_fun(f2)(s1, s2);  in mem_ptr_fun()
81   ptr_fun(f1c)(s1);  in mem_ptr_fun()
82   ptr_fun(f2c)(s1, s2);  in mem_ptr_fun()
85   ptr_fun(vf1)(s1);  in mem_ptr_fun()
86   ptr_fun(vf2)(s1, s2);  in mem_ptr_fun()
88   ptr_fun(vf1c)(s1);  in mem_ptr_fun()
89   ptr_fun(vf2c)(s1, s2);  in mem_ptr_fun()
95   mem_fun(&Class::f1)(&obj, s1);  in mem_ptr_fun()
99   mem_fun(&Class::vf1)(&obj, s1);  in mem_ptr_fun()
105   mem_fun(&Class::f1c)(&objc, s1);  in mem_ptr_fun()
109   mem_fun(&Class::vf1c)(&objc, s1);  in mem_ptr_fun()
115   mem_fun_ref(&Class::f1)(obj, s1);  in mem_ptr_fun()
119   mem_fun_ref(&Class::vf1)(obj, s1);  in mem_ptr_fun()
124   mem_fun_ref(&Class::f1c)(objc, s1);  in mem_ptr_fun()
128   mem_fun_ref(&Class::vf1c)(objc, s1);  in mem_ptr_fun()