Update to ES2015 == semantics for Symbol/SIMD wrappers

test/mjsunit/harmony/private.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 114 matching lines @@
 function TestEquality() {
   // Every symbol should equal itself, and non-strictly equal its wrapper.
   for (var i in symbols) {
     assertSame(symbols[i], symbols[i])
     assertEquals(symbols[i], symbols[i])
     assertTrue(Object.is(symbols[i], symbols[i]))
     assertTrue(symbols[i] === symbols[i])
     assertTrue(symbols[i] == symbols[i])
     assertFalse(symbols[i] === Object(symbols[i]))
     assertFalse(Object(symbols[i]) === symbols[i])
-    assertFalse(symbols[i] == Object(symbols[i]))
-    assertFalse(Object(symbols[i]) == symbols[i])
+    assertTrue(symbols[i] == Object(symbols[i]))
+    assertTrue(Object(symbols[i]) == symbols[i])
     assertTrue(symbols[i] === symbols[i].valueOf())
     assertTrue(symbols[i].valueOf() === symbols[i])
     assertTrue(symbols[i] == symbols[i].valueOf())
     assertTrue(symbols[i].valueOf() == symbols[i])
   }
 
   // All symbols should be distinct.
   for (var i = 0; i < symbols.length; ++i) {
     for (var j = i + 1; j < symbols.length; ++j) {
       assertFalse(Object.is(symbols[i], symbols[j]))
@@ skipping 248 matching lines @@
 
   // Test non-monomorphic.
   for (var i = 0; i < 1000; i++) {
     var oNew = Object.create(p);
     oNew["s" + i] = i;
     oNew[s1] = "bow-wow";
     checkNonOwn(oNew);
   }
 }
 TestICs();