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

src/ia32/deoptimizer-ia32.cc

 // 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.
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/ia32/frames-ia32.h"
@@ skipping 189 matching lines @@
 }
 
 
 void Deoptimizer::CopyDoubleRegisters(FrameDescription* output_frame) {
   for (int i = 0; i < XMMRegister::kMaxNumRegisters; ++i) {
     double double_value = input_->GetDoubleRegister(i);
     output_frame->SetDoubleRegister(i, double_value);
   }
 }
 
-
-bool Deoptimizer::HasAlignmentPadding(JSFunction* function) {
-  int parameter_count =
-      function->shared()->internal_formal_parameter_count() + 1;
+bool Deoptimizer::HasAlignmentPadding(SharedFunctionInfo* shared) {
+  int parameter_count = shared->internal_formal_parameter_count() + 1;
   unsigned input_frame_size = input_->GetFrameSize();
   unsigned alignment_state_offset =
       input_frame_size - parameter_count * kPointerSize -
       StandardFrameConstants::kFixedFrameSize -
       kPointerSize;
   DCHECK(JavaScriptFrameConstants::kDynamicAlignmentStateOffset ==
       JavaScriptFrameConstants::kLocal0Offset);
   int32_t alignment_state = input_->GetFrameSlot(alignment_state_offset);
   return (alignment_state == kAlignmentPaddingPushed);
 }
@@ skipping 205 matching lines @@
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32