Update to ES2015 == semantics for Symbol/SIMD wrappers

test/mjsunit/es6/symbols.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 149 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])
     assertFalse(Object(symbols[i]) === Object(symbols[i]))
     assertEquals(Object(symbols[i]).valueOf(), Object(symbols[i]).valueOf())
   }
 
   // All symbols should be distinct.
   for (var i = 0; i < symbols.length; ++i) {
@@ skipping 337 matching lines @@
   var throwFuncs = [lt, gt, le, ge, lt_same, gt_same, le_same, ge_same];
 
   for (var f of throwFuncs) {
     assertThrows(f, TypeError);
     %OptimizeFunctionOnNextCall(f);
     assertThrows(f, TypeError);
     assertThrows(f, TypeError);
   }
 }
 TestComparison();