Use SharedFunctionInfo rather than the JSFunction in the deoptimizer (first step).

src/deoptimizer.h

 // Copyright 2012 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_DEOPTIMIZER_H_
 #define V8_DEOPTIMIZER_H_
 
 #include "src/allocation.h"
 #include "src/macro-assembler.h"
 
@@ skipping 110 matching lines @@
     kInvalid
   };
 
   int GetValueCount();
 
   Kind kind() const { return kind_; }
   BailoutId node_id() const { return node_id_; }
   Handle<SharedFunctionInfo> shared_info() const { return shared_info_; }
   int height() const { return height_; }
 
+  SharedFunctionInfo* raw_shared_info() const {
+    CHECK_NOT_NULL(raw_shared_info_);
+    return raw_shared_info_;
+  }
+
   class iterator {
    public:
     iterator& operator++() {
       AdvanceIterator(&position_);
       return *this;
     }
 
     iterator operator++(int) {
       iterator original(position_);
       AdvanceIterator(&position_);
@@ skipping 463 matching lines @@
       unsigned output_offset, const char* debug_hint_string = nullptr,
       Address output_address_for_materialization = nullptr);
   void WriteValueToOutput(Object* value, int input_index, int frame_index,
                           unsigned output_offset,
                           const char* debug_hint_string);
   void DebugPrintOutputSlot(intptr_t value, int frame_index,
                             unsigned output_offset,
                             const char* debug_hint_string);
 
   unsigned ComputeInputFrameSize() const;
-  unsigned ComputeJavascriptFixedSize(JSFunction* function) const;
-  unsigned ComputeInterpretedFixedSize(JSFunction* function) const;
+  static unsigned ComputeJavascriptFixedSize(SharedFunctionInfo* shared);
+  static unsigned ComputeInterpretedFixedSize(SharedFunctionInfo* shared);
 
-  unsigned ComputeIncomingArgumentSize(JSFunction* function) const;
+  static unsigned ComputeIncomingArgumentSize(SharedFunctionInfo* shared);
   static unsigned ComputeOutgoingArgumentSize(Code* code, unsigned bailout_id);
 
   Object* ComputeLiteral(int index) const;
 
   static void GenerateDeoptimizationEntries(
       MacroAssembler* masm, int count, BailoutType type);
 
   // Marks all the code in the given context for deoptimization.
   static void MarkAllCodeForContext(Context* native_context);
 
@@ skipping 21 matching lines @@
   // address and the number of parameters for a stub failure trampoline.
   void SetPlatformCompiledStubRegisters(FrameDescription* output_frame,
                                         CodeStubDescriptor* desc);
 
   // Fill the given output frame's double registers with the original values
   // from the input frame's double registers.
   void CopyDoubleRegisters(FrameDescription* output_frame);
 
   // Determines whether the input frame contains alignment padding by looking
   // at the dynamic alignment state slot inside the frame.
-  bool HasAlignmentPadding(JSFunction* function);
+  bool HasAlignmentPadding(SharedFunctionInfo* shared);
 
   Isolate* isolate_;
   JSFunction* function_;
   Code* compiled_code_;
   unsigned bailout_id_;
   BailoutType bailout_type_;
   Address from_;
   int fp_to_sp_delta_;
   int has_alignment_padding_;
 
@@ skipping 465 matching lines @@
   Object** expression_stack_;
   int source_position_;
 
   friend class Deoptimizer;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_DEOPTIMIZER_H_