A case of IDE hang and disappear

[gopakumar-gg]

using System;

namespace BeefTest;

class Program
{
	public static void Main()
	{

	}

	// Put an '=' in the below line so as to define Int=int, the IDE hangs immediately,
	// and after 4 or 5 seconds it crashes (IDE just disappears).
	typealias Int
	Int Fun(Int bInherit)
	{
		return 1;
	}
}