Cleanup: we are not patching entries any longer

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 4324 matching lines @@
     return raw_ptr()->lazy_deopt_pc_offset_;
   }
   void set_lazy_deopt_pc_offset(intptr_t pc) const {
     StoreNonPointer(&raw_ptr()->lazy_deopt_pc_offset_, pc);
   }
 
   bool IsAllocationStubCode() const;
   bool IsStubCode() const;
   bool IsFunctionCode() const;
 
+  void DisableDartCode() const;
+
+  void DisableStubCode() const;
+
+  void Enable() const {
+    if (!IsDisabled()) return;
+    ASSERT(instructions() != active_instructions());
+    set_active_instructions(instructions());
+  }
+
+  bool IsDisabled() const {
+    return instructions() != active_instructions();
+  }
+
  private:
   void set_state_bits(intptr_t bits) const;
 
   void set_object_pool(RawObjectPool* object_pool) const {
     StorePointer(&raw_ptr()->object_pool_, object_pool);
   }
 
   friend class RawObject;  // For RawObject::SizeFromClass().
   friend class RawCode;
   enum {
@@ skipping 3768 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_