}
		for i := 0; i < counts[0]; i++ {
			if m0, m1 := methods[0][i], methods[1][i]; m0 != m1 {
				t.Errorf("mismatching methods for %s: %s vs %s", inst, m0, m1)
			}
		}
	}
}

func TestInstantiateErrors(t *testing.T) {
	tests := []struct {
		src    string // by convention, T must be the type being instantiated
		targs  []Type
		wantAt int // -1 indicates no error
	}{

		}
		for i := 0; i < counts[0]; i++ {
			if m0, m1 := methods[0][i], methods[1][i]; m0 != m1 {
				t.Errorf("mismatching methods for %s: %s vs %s", inst, m0, m1)
			}
		}
	}
}

func TestInstantiateErrors(t *testing.T) {
	tests := []struct {
		src    string // by convention, T must be the type being instantiated
		targs  []Type
		wantAt int // -1 indicates no error
	}{