Revert of Version 5.0.71.10 (cherry-pick)

src/runtime/runtime-object.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/isolate-inl.h"
@@ skipping 1055 matching lines @@
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
                                      Object::ToName(isolate, input));
   return *result;
 }
 
 
+RUNTIME_FUNCTION(Runtime_Equals) {
+  HandleScope scope(isolate);
+  DCHECK_EQ(2, args.length());
+  CONVERT_ARG_HANDLE_CHECKED(Object, x, 0);
+  CONVERT_ARG_HANDLE_CHECKED(Object, y, 1);
+  Maybe<bool> result = Object::Equals(x, y);
+  if (!result.IsJust()) return isolate->heap()->exception();
+  // TODO(bmeurer): Change this at some point to return true/false instead.
+  return Smi::FromInt(result.FromJust() ? EQUAL : NOT_EQUAL);
+}
+
+
+RUNTIME_FUNCTION(Runtime_StrictEquals) {
+  SealHandleScope scope(isolate);
+  DCHECK_EQ(2, args.length());
+  CONVERT_ARG_CHECKED(Object, x, 0);
+  CONVERT_ARG_CHECKED(Object, y, 1);
+  // TODO(bmeurer): Change this at some point to return true/false instead.
+  return Smi::FromInt(x->StrictEquals(y) ? EQUAL : NOT_EQUAL);
+}
+
+
 RUNTIME_FUNCTION(Runtime_SameValue) {
   SealHandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_CHECKED(Object, x, 0);
   CONVERT_ARG_CHECKED(Object, y, 1);
   return isolate->heap()->ToBoolean(x->SameValue(y));
 }
 
 
 RUNTIME_FUNCTION(Runtime_SameValueZero) {
@@ skipping 124 matching lines @@
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(Object, o, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1);
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, o, JSReceiver::DefineProperties(isolate, o, properties));
   return *o;
 }
 
 }  // namespace internal
 }  // namespace v8