Minor cleanup: use handle when setting instructions in code object.

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 4927 matching lines @@
   bool IsFunctionCode() const;
 
   void DisableDartCode() const;
 
   void DisableStubCode() const;
 
   void Enable() const {
     if (!IsDisabled()) return;
     ASSERT(Thread::Current()->IsMutatorThread());
     ASSERT(instructions() != active_instructions());
-    SetActiveInstructions(instructions());
+    SetActiveInstructions(Instructions::Handle(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 {
@@ skipping 35 matching lines @@
   static const intptr_t kEntrySize = sizeof(int32_t);  // NOLINT
 
   void set_compile_timestamp(int64_t timestamp) const {
 #if defined(DART_PRECOMPILED_RUNTIME)
     UNREACHABLE();
 #else
     StoreNonPointer(&raw_ptr()->compile_timestamp_, timestamp);
 #endif
   }
 
-  void SetActiveInstructions(RawInstructions* instructions) const;
+  void SetActiveInstructions(const Instructions& instructions) const;
 
-  void set_instructions(RawInstructions* instructions) const {
+  void set_instructions(const Instructions& instructions) const {
     ASSERT(Thread::Current()->IsMutatorThread() || !is_alive());
-    StorePointer(&raw_ptr()->instructions_, instructions);
+    StorePointer(&raw_ptr()->instructions_, instructions.raw());
   }
 
   void set_pointer_offsets_length(intptr_t value) {
     // The number of fixups is limited to 1-billion.
     ASSERT(Utils::IsUint(30, value));
     set_state_bits(PtrOffBits::update(value, raw_ptr()->state_bits_));
   }
   int32_t* PointerOffsetAddrAt(int index) const {
     ASSERT(index >= 0);
     ASSERT(index < pointer_offsets_length());
@@ skipping 3959 matching lines @@
 
 inline void TypeArguments::SetHash(intptr_t value) const {
   // This is only safe because we create a new Smi, which does not cause
   // heap allocation.
   StoreSmi(&raw_ptr()->hash_, Smi::New(value));
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_