u := NewUnion([]*Term{t1, t2})            // ~string | []byte
		P := NewTypeName(nopos, nil, "P", nil)    // [P ~string | []byte]
		makeSig(NewTypeParam(P, NewInterfaceType(nil, []Type{u})))
	}
}

func TestIssue51093(t *testing.T) {
	// Each test stands for a conversion of the form P(val)
	// where P is a type parameter with typ as constraint.
	// The test ensures that P(val) has the correct type P
	// and is not a constant.

		u := NewUnion([]*Term{t1, t2})            // ~string | []byte
		P := NewTypeName(nopos, nil, "P", nil)    // [P ~string | []byte]
		makeSig(NewTypeParam(P, NewInterfaceType(nil, []Type{u})))
	}
}

func TestIssue51093(t *testing.T) {
	// Each test stands for a conversion of the form P(val)
	// where P is a type parameter with typ as constraint.
	// The test ensures that P(val) has the correct type P
	// and is not a constant.