Add default value int64 test

tests/misc/coroutines/src/issues/aidan/Issue165.hx

@@ -0,0 +1,13 @@
+package issues.aidan;
+
+class Issue165 extends utest.Test {
+	@:coroutine function foo(i:haxe.Int64) {
+		yield();
+
+		return i;
+	}
+
+	function test() {
+		Assert.pass();
+	}
+}