Ensure we never inline class constructors in Crankshaft, as it currently is entirely unsupported.

src/runtime/runtime-classes.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include <stdlib.h>
 #include <limits>
 
 #include "src/arguments.h"
@@ skipping 115 matching lines @@
   if (constructor->map()->is_strong()) {
     map->set_is_strong();
     if (super_class->IsNull()) {
       // Strong class is not permitted to extend null.
       THROW_NEW_ERROR(isolate, NewTypeError(MessageTemplate::kStrongExtendNull),
                       Object);
     }
   }
   Map::SetPrototype(map, prototype_parent);
   map->SetConstructor(*constructor);
+  map->set_is_prototype_map(true);

[adamk, 2015/10/22 12:01:32]

Is this related to your change?

[Toon Verwaest, 2015/10/22 13:50:56]

No, I'll remove for now.

   Handle<JSObject> prototype = isolate->factory()->NewJSObjectFromMap(map);
 
   Handle<String> name_string = name->IsString()
                                    ? Handle<String>::cast(name)
                                    : isolate->factory()->empty_string();
   constructor->shared()->set_name(*name_string);
 
   if (!super_class->IsTheHole()) {
     Handle<Code> stub(isolate->builtins()->JSConstructStubForDerived());
     constructor->shared()->set_construct_stub(*stub);
@@ skipping 368 matching lines @@
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, result,
       Execution::New(isolate, super_constructor, original_constructor,
                      argument_count, arguments.get()));
 
   return *result;
 }
 
 }  // namespace internal
 }  // namespace v8