ES6: Make Map/Set constructors support iterable values

src/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/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/codegen.h"
@@ skipping 2087 matching lines @@
 }
 
 
 // Used from ic-<arch>.cc.
 RUNTIME_FUNCTION(LoadIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   LoadIC ic(IC::NO_EXTRA_FRAME, isolate);
   Handle<Object> receiver = args.at<Object>(0);
-  Handle<String> key = args.at<String>(1);
+  Handle<Name> key = args.at<Name>(1);
   ic.UpdateState(receiver, key);
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, ic.Load(receiver, key));
   return *result;
 }
 
 
 // Used from ic-<arch>.cc
 RUNTIME_FUNCTION(KeyedLoadIC_Miss) {
   TimerEventScope<TimerEventIcMiss> timer(isolate);
@@ skipping 1051 matching lines @@
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) {
   return IC_utilities[id];
 }
 
 
 } }  // namespace v8::internal