"Examples of variable declaration affecting safe-to-escape scope"

static Span<int> CreateLengthOneSpanExample1(ref int i) {
	var result = new Span<int>(ref i);
	return result;
}

static Span<int> CreateLengthOneSpanExample2(ref int i) {
	Span<int> result;
	result = new Span<int>(ref i); // Fails to compile on this line
	return result;
}

static Span<int> CreateLengthOneSpanExample3(ref int i) {
	Span<int> result = stackalloc int[1];
	result = new Span<int>(ref i);
	return result; // Fails to compile on this line
}