Re-optimize faster after making a pretenuring decision.

src/deoptimizer.cc

 // Copyright 2013 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 333 matching lines @@
       function->set_code(shared->code());
       shared->EvictFromOptimizedCodeMap(code, "deoptimized function");
 
       if (FLAG_trace_deopt) {
         CodeTracer::Scope scope(code->GetHeap()->isolate()->GetCodeTracer());
         PrintF(scope.file(), "[deoptimizer unlinked: ");
         function->PrintName(scope.file());
         PrintF(scope.file(),
                " / %" V8PRIxPTR "]\n", reinterpret_cast<intptr_t>(function));
       }
+
+      if (code->marked_for_reoptimization()) {
+        function->Optimize("marked for reoptimization");
+      }
     }
   };
 
   // Unlink all functions that refer to marked code.
   SelectedCodeUnlinker unlinker;
   VisitAllOptimizedFunctionsForContext(context, &unlinker);
 
   // Move marked code from the optimized code list to the deoptimized
   // code list, collecting them into a ZoneList.
   Isolate* isolate = context->GetHeap()->isolate();
@@ skipping 3093 matching lines @@
 
 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) {
   v->VisitPointer(BitCast<Object**>(&function_));
   v->VisitPointers(parameters_, parameters_ + parameters_count_);
   v->VisitPointers(expression_stack_, expression_stack_ + expression_count_);
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal