Should this be called a compiler overlook?

void main()
{
	int i;
	switch ( i )
	{
		case 1: break;
//		case 1: break; Case.d(7): duplicate case 1 in switch statement
	}

	char[] s;

	switch ( s )
	{
		case "one": break;
		case "one": break; // no compiler errors
	}
}

Ant