Refactor Object::SetSuperProperty and others.

src/ic/ic.cc

 // Copyright 2012 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/ic/ic.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/base/bits.h"
@@ skipping 1568 matching lines @@
     ASSIGN_RETURN_ON_EXCEPTION(
         isolate(), result,
         Object::SetProperty(object, name, value, language_mode(), store_mode),
         Object);
     return result;
   }
 
   LookupIterator it(object, name);
   if (FLAG_use_ic) UpdateCaches(&it, value, store_mode);
 
-  // Set the property.
-  Handle<Object> result;
-  ASSIGN_RETURN_ON_EXCEPTION(
-      isolate(), result,
-      Object::SetProperty(&it, value, language_mode(), store_mode), Object);
-  return result;
+  MAYBE_RETURN_NULL(
+      Object::SetProperty(&it, value, language_mode(), store_mode));
+  return value;
 }
 
 
 Handle<Code> CallIC::initialize_stub(Isolate* isolate, int argc,
                                      CallICState::CallType call_type) {
   CallICTrampolineStub stub(isolate, CallICState(argc, call_type));
   Handle<Code> code = stub.GetCode();
   return code;
 }
 
@@ skipping 1539 matching lines @@
     KeyedLoadICNexus nexus(vector, vector_slot);
     KeyedLoadIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, ic.Load(receiver, key));
   }
 
   return *result;
 }
 }  // namespace internal
 }  // namespace v8