ES6 symbols: Implement Symbol intrinsic and basic functionality

src/ic-inl.h

Index: src/ic-inl.h
diff --git a/src/ic-inl.h b/src/ic-inl.h
index 77f409a1ef2e7f249bc7a2b8dcc32dabeb098e3a..515617f7f59c019b4662809b4dc2c4b4fdc7965e 100644
--- a/src/ic-inl.h
+++ b/src/ic-inl.h
@@ -107,8 +107,9 @@ InlineCacheHolderFlag IC::GetCodeCacheForObject(Object* object,
     return GetCodeCacheForObject(JSObject::cast(object), holder);
   }
   // If the object is a value, we use the prototype map for the cache.
-  ASSERT(object->IsString() || object->IsNumber() || object->IsBoolean());
-  return PROTOTYPE_MAP;
+  ASSERT(object->IsString() || object->IsSymbol() ||
+         object->IsNumber() || object->IsBoolean());
+  return DELEGATE_MAP;
 }
 
 
@@ -123,14 +124,14 @@ InlineCacheHolderFlag IC::GetCodeCacheForObject(JSObject* object,
       !object->HasFastProperties() &&
       !object->IsJSGlobalProxy() &&
       !object->IsJSGlobalObject()) {
-    return PROTOTYPE_MAP;
+    return DELEGATE_MAP;
   }
   return OWN_MAP;
 }
 
 
 JSObject* IC::GetCodeCacheHolder(Object* object, InlineCacheHolderFlag holder) {
-  Object* map_owner = (holder == OWN_MAP ? object : object->GetPrototype());
+  Object* map_owner = (holder == OWN_MAP ? object : object->GetDelegate());
   ASSERT(map_owner->IsJSObject());
   return JSObject::cast(map_owner);
 }