Reland r11425 "Re-enable optimization for hot functions that have optimization disabled due to many…

src/deoptimizer.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 360 matching lines @@
            reinterpret_cast<intptr_t>(from),
            fp_to_sp_delta - (2 * kPointerSize));
   } else if (FLAG_trace_osr && type == OSR) {
     PrintF("**** OSR: ");
     function->PrintName();
     PrintF(" at ast id #%u, address 0x%" V8PRIxPTR ", frame size %d\n",
            bailout_id,
            reinterpret_cast<intptr_t>(from),
            fp_to_sp_delta - (2 * kPointerSize));
   }
+  function->shared()->increment_deopt_count();
   // Find the optimized code.
   if (type == EAGER) {
     ASSERT(from == NULL);
     optimized_code_ = function_->code();
     if (FLAG_trace_deopt && FLAG_code_comments) {
       // Print instruction associated with this bailout.
       const char* last_comment = NULL;
       int mask = RelocInfo::ModeMask(RelocInfo::COMMENT)
           | RelocInfo::ModeMask(RelocInfo::RUNTIME_ENTRY);
       for (RelocIterator it(optimized_code_, mask); !it.done(); it.next()) {
@@ skipping 1268 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