Fix more co19 crashes. Introduce GET_NATIVE_ARGUMENT that throws an illegal argument exception if...

runtime/lib/object.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/bootstrap_natives.h"
 
 #include "vm/exceptions.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 
 namespace dart {
 
 DEFINE_NATIVE_ENTRY(Object_toString, 1) {
   const Instance& instance = Instance::CheckedHandle(arguments->At(0));
   const char* c_str = instance.ToCString();
   arguments->SetReturn(String::Handle(String::New(c_str)));
 }
 
 
 DEFINE_NATIVE_ENTRY(Object_noSuchMethod, 3) {
   const Instance& instance = Instance::CheckedHandle(arguments->At(0));
-  const String& function_name = String::CheckedHandle(arguments->At(1));
-  const Array& func_args = Array::CheckedHandle(arguments->At(2));
   if (instance.IsNull()) {
     GrowableArray<const Object*> args;
     Exceptions::ThrowByType(Exceptions::kNullPointer, args);
   }
+  GET_NATIVE_ARGUMENT(String, function_name, arguments->At(1));
+  GET_NATIVE_ARGUMENT(Array, func_args, arguments->At(2));
   GrowableArray<const Object*> dart_arguments(3);
   dart_arguments.Add(&instance);
   dart_arguments.Add(&function_name);
   dart_arguments.Add(&func_args);
   Exceptions::ThrowByType(Exceptions::kNoSuchMethod, dart_arguments);
 }
 
 }  // namespace dart