add test (closes #5894)

tests/unit/src/unit/issues/Issue5894.hx

@@ -0,0 +1,19 @@
+package unit.issues;
+
+class Issue5894 extends unit.Test {
+	function test() {
+		var recursed = false;
+		function local(o:Array<Dynamic>) {
+			for(e in o) {
+				if(!recursed) {
+					recursed = true;
+					return local(e);
+				} else {
+					return e;
+				}
+			}
+			return 0;
+		}
+		eq(1, local([[1], 2]));
+	}
+}