Fix function premable for native entrypoints.

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 5858 matching lines @@
 class MirrorReference : public Instance {
  public:
   RawObject* referent() const {
     return raw_ptr()->referent_;
   }
 
   void set_referent(const Object& referent) const {
     StorePointer(&raw_ptr()->referent_, referent.raw());
   }
 
+  RawClass* GetClassReferent() const;
+
   RawFunction* GetFunctionReferent() const;
 
+  RawLibrary* GetLibraryReferent() const;
+
   static RawMirrorReference* New(Heap::Space space = Heap::kNew);
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawMirrorReference));
   }
 
  private:
   FINAL_HEAP_OBJECT_IMPLEMENTATION(MirrorReference, Instance);
   friend class Class;
 };
@@ skipping 118 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_