Revert of Version 5.0.71.10 (cherry-pick)

src/runtime/runtime-object.cc

Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index 45a49925bd248e076a1f0a855f7cd4db8a3cf634..415920d6c6755f027e173c6397614a0167b0c1df 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -1073,6 +1073,28 @@
 }
 
 
+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());