[turbofan] Improve memory consumption for state values descriptors.

src/compiler/code-generator.h

 // 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.
 
 #ifndef V8_COMPILER_CODE_GENERATOR_H_
 #define V8_COMPILER_CODE_GENERATOR_H_
 
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/instruction.h"
 #include "src/compiler/unwinding-info-writer.h"
@@ skipping 200 matching lines @@
   DeoptimizationEntry const& GetDeoptimizationEntry(Instruction* instr,
                                                     size_t frame_state_offset);
   DeoptimizeReason GetDeoptimizationReason(int deoptimization_id) const;
   int BuildTranslation(Instruction* instr, int pc_offset,
                        size_t frame_state_offset,
                        OutputFrameStateCombine state_combine);
   void BuildTranslationForFrameStateDescriptor(
       FrameStateDescriptor* descriptor, InstructionOperandIterator* iter,
       Translation* translation, OutputFrameStateCombine state_combine);
   void TranslateStateValueDescriptor(StateValueDescriptor* desc,
+                                     StateValueList* nested,
                                      Translation* translation,
                                      InstructionOperandIterator* iter);
   void TranslateFrameStateDescriptorOperands(FrameStateDescriptor* desc,
                                              InstructionOperandIterator* iter,
                                              OutputFrameStateCombine combine,
                                              Translation* translation);
   void AddTranslationForOperand(Translation* translation, Instruction* instr,
                                 InstructionOperand* op, MachineType type);
   void EnsureSpaceForLazyDeopt();
   void MarkLazyDeoptSite();
@@ skipping 46 matching lines @@
   ZoneVector<HandlerInfo> handlers_;
   ZoneDeque<DeoptimizationExit*> deoptimization_exits_;
   ZoneDeque<DeoptimizationState*> deoptimization_states_;
   ZoneDeque<Handle<Object>> deoptimization_literals_;
   size_t inlined_function_count_;
   TranslationBuffer translations_;
   int last_lazy_deopt_pc_;
   JumpTable* jump_tables_;
   OutOfLineCode* ools_;
   int osr_pc_offset_;
+  int optimized_out_literal_id_;
   SourcePositionTableBuilder source_position_table_builder_;
   ZoneVector<trap_handler::ProtectedInstructionData>* protected_instructions_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_GENERATOR_H