}

	n := testing.AllocsPerRun(1, func() {
		_ = e == ts
		_ = i1 == ts
		_ = e == 1
	})

	if n > 0 {
		t.Fatalf("iface cmp allocs=%v; want 0", n)
	}
}

func BenchmarkEqEfaceConcrete(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = e == ts
	}
}

func BenchmarkEqIfaceConcrete(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = i1 == ts
	}
}