[keys] Simplify KeyAccumulator

test/mjsunit/es6/reflect.js

Index: test/mjsunit/es6/reflect.js
diff --git a/test/mjsunit/es6/reflect.js b/test/mjsunit/es6/reflect.js
index ee272b0fc799da2c8de704675e53f90806e40756..66e2241681c8457961cb0917cc5a273d60e02e23 100644
--- a/test/mjsunit/es6/reflect.js
+++ b/test/mjsunit/es6/reflect.js
@@ -541,6 +541,13 @@ function prepare(target) {
       [s2]: 0, "-1": 0, "88": 0, "aaa": 0 };
   assertEquals(["0", "42", "88", "bla", "-1", "aaa", s1, s2],
       Reflect.ownKeys(obj));
+  // Force dict-mode elements

[Jakob Kummerow, 2016/05/23 16:25:22]

nit: trailing full stop. Again below.

+  delete obj[0];
+  assertEquals(["42", "88", "bla", "-1", "aaa", s1, s2],
+      Reflect.ownKeys(obj));
+  // Force dict-mode properties
+  delete obj["bla"];
+  assertEquals(["42", "88", "-1", "aaa", s1, s2], Reflect.ownKeys(obj));
 })();