add test (closes #4103)

tests/unit/src/unit/issues/Issue4103.hx

@@ -0,0 +1,16 @@
+package unit.issues;
+
+@:enum
+private abstract IntAbstract(Int) from Int to Int {
+	public static var value = 5;
+
+	var var1 = 1;
+	var var2 = 2;
+}
+
+class Issue4103 extends Test {
+	function test() {
+		var value = IntAbstract.value;
+		eq(5, value);
+	}
+}