Changes to interpret the optimizable bit based on whether the function

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 1716 matching lines @@
     return raw_ptr()->optimized_call_site_count_;
   }
   void set_optimized_call_site_count(intptr_t value) const {
     ASSERT(value >= 0);
     if (value > kMaxInstructionCount) {
       value = kMaxInstructionCount;
     }
     raw_ptr()->optimized_call_site_count_ = static_cast<uint16_t>(value);
   }
 
-  bool is_optimizable() const;
-  void set_is_optimizable(bool value) const;
+  bool IsOptimizable() const;
+  bool IsNativeLeaf() const;
+  void SetIsOptimizable(bool value) const;
+  void SetIsNativeLeaf(bool value) const;
 
   bool has_finally() const {
     return HasFinallyBit::decode(raw_ptr()->kind_tag_);
   }
   void set_has_finally(bool value) const;
 
   bool is_native() const { return NativeBit::decode(raw_ptr()->kind_tag_); }
   void set_is_native(bool value) const;
 
   bool is_abstract() const { return AbstractBit::decode(raw_ptr()->kind_tag_); }
@@ skipping 216 matching lines @@
   void set_is_external(bool value) const;
   void set_parent_function(const Function& value) const;
   void set_owner(const Object& value) const;
   RawFunction* implicit_closure_function() const;
   void set_implicit_closure_function(const Function& value) const;
   RawInstance* implicit_static_closure() const;
   void set_implicit_static_closure(const Instance& closure) const;
   void set_num_optional_parameters(intptr_t value) const;  // Encoded value.
   void set_kind_tag(intptr_t value) const;
   void set_data(const Object& value) const;
+  bool is_optimizable() const {
+    return OptimizableBit::decode(raw_ptr()->kind_tag_);
+  }
+  void set_is_optimizable(bool value) const;
 
   static RawFunction* New();
 
   void BuildSignatureParameters(bool instantiate,
                                 NameVisibility name_visibility,
                                 const AbstractTypeArguments& instantiator,
                                 const GrowableObjectArray& pieces) const;
   RawString* BuildSignature(bool instantiate,
                             NameVisibility name_visibility,
                             const AbstractTypeArguments& instantiator) const;
@@ skipping 4568 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_