Enable stub generation using Hydrogen/Lithium (again)

src/runtime.cc

 // Copyright 2012 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 7999 matching lines @@
   }
 
   bool has_activations() { return has_activations_; }
 
  private:
   JSFunction* function_;
   bool has_activations_;
 };
 
 
+RUNTIME_FUNCTION(MaybeObject*, Runtime_NotifyICMiss) {
+  HandleScope scope(isolate);
+  ASSERT(args.length() == 0);
+  Deoptimizer* deoptimizer = Deoptimizer::Grab(isolate);
+  ASSERT(isolate->heap()->IsAllocationAllowed());
+  ASSERT(deoptimizer->optimized_code_kind() == Code::COMPILED_STUB);
+  delete deoptimizer;
+  return isolate->heap()->undefined_value();
+}
+
+
 RUNTIME_FUNCTION(MaybeObject*, Runtime_NotifyDeoptimized) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);
   RUNTIME_ASSERT(args[0]->IsSmi());
   Deoptimizer::BailoutType type =
       static_cast<Deoptimizer::BailoutType>(args.smi_at(0));
   Deoptimizer* deoptimizer = Deoptimizer::Grab(isolate);
   ASSERT(isolate->heap()->IsAllocationAllowed());
-  JavaScriptFrameIterator it(isolate);
+
+  ASSERT(deoptimizer->optimized_code_kind() != Code::COMPILED_STUB);
 
   // Make sure to materialize objects before causing any allocation.
+  JavaScriptFrameIterator it(isolate);
   deoptimizer->MaterializeHeapObjects(&it);
   delete deoptimizer;
 
   JavaScriptFrame* frame = it.frame();
   RUNTIME_ASSERT(frame->function()->IsJSFunction());
   Handle<JSFunction> function(JSFunction::cast(frame->function()), isolate);
   RUNTIME_ASSERT(type != Deoptimizer::EAGER || function->IsOptimized());
 
   // Avoid doing too much work when running with --always-opt and keep
   // the optimized code around.
@@ skipping 5276 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal