Function call (11: 11) a.foo(0, "")
Function call (11: 7) x.foo(1, 2)
Function call (25: 5) foo(t)
Function call (30: 7) a.foo(1, "")
Function call (35: 9) foo(t)
Function call (39: 5) foo(s)
Function call (3: 18) super<A>.foo(t)