for i := 0; i < b.N; i++ {
				_ = append([]struct40(nil), x...)
			}
		})

	})
}

var (
	SinkIntSlice        []int
	SinkIntPointerSlice []*int
)

func BenchmarkExtendSlice(b *testing.B) {
	var length = 4 // Use a variable to prevent stack allocation of slices.
	b.Run("IntSlice", func(b *testing.B) {
		s := make([]int, 0, length)
		for i := 0; i < b.N; i++ {