Make accessors for oddball objects return Oddball* instead of Object*.

src/compiler.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 258 matching lines @@
   ASSERT(FLAG_always_opt || code->optimizable());
   ASSERT(info->shared_info()->has_deoptimization_support());
 
   if (FLAG_trace_hydrogen) {
     PrintF("-----------------------------------------------------------\n");
     PrintF("Compiling method %s using hydrogen\n", *name->ToCString());
     HTracer::Instance()->TraceCompilation(info->function());
   }
 
   Handle<Context> global_context(info->closure()->context()->global_context());
-  TypeFeedbackOracle oracle(code, global_context);
+  TypeFeedbackOracle oracle(code, global_context, info->isolate());
   HGraphBuilder builder(info, &oracle);
   HPhase phase(HPhase::kTotal);
   HGraph* graph = builder.CreateGraph();
   if (info->isolate()->has_pending_exception()) {
     info->SetCode(Handle<Code>::null());
     return false;
   }
 
   if (graph != NULL && FLAG_build_lithium) {
     Handle<Code> optimized_code = graph->Compile(info);
@@ skipping 500 matching lines @@
     }
   }
 
   GDBJIT(AddCode(Handle<String>(shared->DebugName()),
                  Handle<Script>(info->script()),
                  Handle<Code>(info->code()),
                  info));
 }
 
 } }  // namespace v8::internal