public static void CtorArrayNullArray()
{
Assert.Throws<ArgumentNullException>(() => new Span<int>((int[])null).DontBox());
Assert.Throws<ArgumentNullException>(() => new Span<int>((int[])null, 0).DontBox());
Assert.Throws<ArgumentNullException>(() => new Span<int>((int[])null, 0, 0).DontBox());
}