[runtime] Support Proxy setPrototypeOf trap

src/messages.h

 // Copyright 2006-2008 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.
 
 // The infrastructure used for (localized) message reporting in V8.
 //
 // Note: there's a big unresolved issue about ownership of the data
 // structures used by this framework.
 
 #ifndef V8_MESSAGES_H_
@@ skipping 138 matching lines @@
   T(NotGeneric, "% is not generic")                                            \
   T(NotIterable, "% is not iterable")                                          \
   T(NotTypedArray, "this is not a typed array.")                               \
   T(NotSharedTypedArray, "% is not a shared typed array.")                     \
   T(NotIntegerSharedTypedArray, "% is not an integer shared typed array.")     \
   T(NotInt32SharedTypedArray, "% is not an int32 shared typed array.")         \
   T(ObjectGetterExpectingFunction,                                             \
     "Object.prototype.__defineGetter__: Expecting function")                   \
   T(ObjectGetterCallable, "Getter must be a function: %")                      \
   T(ObjectNotExtensible, "Can't add property %, object is not extensible")     \
+  T(ObjectSetPrototypeFailed, "Could not set '%' as Protoype on '%'")          \

[neis, 2015/11/16 19:09:53]

s/Protoype/prototype/
But why do we need both this one and ProtoNotSet below?

+  T(ObjectSetPrototypeNotExtensible,                                           \
+    "Can't set prototype, object is not extensible")                           \
   T(ObjectSetterExpectingFunction,                                             \
     "Object.prototype.__defineSetter__: Expecting function")                   \
   T(ObjectSetterCallable, "Setter must be a function: %")                      \
   T(ObserveCallbackFrozen,                                                     \
     "Object.observe cannot deliver to a frozen function object")               \
   T(ObserveGlobalProxy, "% cannot be called on the global proxy object")       \
   T(ObserveAccessChecked, "% cannot be called on access-checked objects")      \
   T(ObserveInvalidAccept,                                                      \
     "Third argument to Object.observe must be an array of strings.")           \
   T(ObserveNonFunction, "Object.% cannot deliver to non-function")             \
   T(ObserveNonObject, "Object.% cannot % non-object")                          \
   T(ObserveNotifyNonNotifier, "notify called on non-notifier object")          \
   T(ObservePerformNonFunction, "Cannot perform non-function")                  \
   T(ObservePerformNonString, "Invalid non-string changeType")                  \
   T(ObserveTypeNonString,                                                      \
     "Invalid changeRecord with non-string 'type' property")                    \
   T(OrdinaryFunctionCalledAsConstructor,                                       \
     "Function object that's not a constructor was created with new")           \
   T(PromiseCyclic, "Chaining cycle detected for promise %")                    \
   T(PropertyDescObject, "Property description must be an object: %")           \
   T(PropertyNotFunction, "Property '%' of object % is not a function")         \
+  T(ProtoNotSet, "Could not set prototype '%' on '%'' ")                       \
   T(ProtoObjectOrNull, "Object prototype may only be an Object or null: %")    \
   T(PrototypeParentNotAnObject,                                                \
     "Class extends value does not have valid prototype property %")            \
   T(ProxyHandlerDeleteFailed,                                                  \
     "Proxy handler % did not return a boolean value from 'delete' trap")       \
   T(ProxyHandlerNonObject, "Proxy.create called with non-object as handler")   \
   T(ProxyHandlerReturned, "Proxy handler % returned % from '%' trap")          \
   T(ProxyHandlerTrapMissing, "Proxy handler % has no '%' trap")                \
   T(ProxyHandlerTrapMustBeCallable,                                            \
     "Proxy handler %0 has non-callable '%' trap")                              \
   T(ProxyNonObjectPropNames, "Trap '%' returned non-object %")                 \
   T(ProxyPropNotConfigurable,                                                  \
     "Proxy handler % returned non-configurable descriptor for property '%' "   \
     "from '%' trap")                                                           \
   T(ProxyRepeatedPropName, "Trap '%' returned repeated property name '%'")     \
   T(ProxyTargetNonObject, "Proxy.% called with non-object as target")          \
   T(ProxyTrapFunctionExpected,                                                 \
     "Proxy.createFunction called with non-function for '%' trap")              \
+  T(ProxyTrapReturnedFalse, "Proxy trap '%s' returned false.")                 \
   T(RedefineDisallowed, "Cannot redefine property: %")                         \
   T(RedefineExternalArray,                                                     \
     "Cannot redefine a property of an object with external array elements")    \
   T(ReduceNoInitial, "Reduce of empty array with no initial value")            \
   T(RegExpFlags,                                                               \
     "Cannot supply flags when constructing one RegExp from another")           \
   T(RegExpNonObject, "% getter called on non-object %")                        \
   T(RegExpNonRegExp, "% getter called on non-RegExp object")                   \
   T(ReinitializeIntl, "Trying to re-initialize % object.")                     \
   T(ResolvedOptionsCalledOnNonObject,                                          \
@@ skipping 290 matching lines @@
   static MUST_USE_RESULT MaybeHandle<String> GetStringifiedProperty(
       Isolate* isolate, LookupIterator* property_lookup,
       Handle<String> default_value);
 
   List<Handle<JSObject> > visited_;
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_MESSAGES_H_