[elements] update Dictionary in IncludesValue if own elements change

test/mjsunit/es7/regress/regress-634357.js

Index: test/mjsunit/es7/regress/regress-634357.js
diff --git a/test/mjsunit/regress/regress-crbug-617527.js b/test/mjsunit/es7/regress/regress-634357.js
similarity index 51%
copy from test/mjsunit/regress/regress-crbug-617527.js
copy to test/mjsunit/es7/regress/regress-634357.js
index cf4662871c4ce68e3e72bd9efa14d1f0258dd987..556d8a2b50a83380fa8632c9a04182ccc11b42df 100644
--- a/test/mjsunit/regress/regress-crbug-617527.js
+++ b/test/mjsunit/es7/regress/regress-634357.js
@@ -4,5 +4,11 @@
 
 // Flags: --enable-slow-asserts
 
-Object.defineProperty(Array.prototype, "1", { get: toLocaleString });
-assertThrows(_ => new RegExp(0, 0));
+array = new Array({}, {}, {});
+Object.defineProperty(array, 1, {
+  get: function() {
+    array.length = 0;
+    array[0] = -2147483648;
+  }
+});
+result = array.includes(new Intl.Collator());