another attempt at fixing 15107

src/api.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 274 matching lines @@
       const v8::Persistent<T>& persistent) {
     return v8::internal::Handle<v8::internal::Object>(
         reinterpret_cast<v8::internal::Object**>(persistent.val_));
   }
 
   template <class T>
   static inline v8::internal::Handle<v8::internal::Object> OpenPersistent(
       v8::Persistent<T>* persistent) {
     return OpenPersistent(*persistent);
   }
+
+  template <class From, class To>
+  static inline v8::internal::Handle<To> OpenHandle(v8::Local<From> handle) {
+    return OpenHandle(*handle);
+  }
 };
 
 
 template <class T>
 v8::internal::Handle<T> v8::internal::Handle<T>::EscapeFrom(
     v8::HandleScope* scope) {
   v8::internal::Handle<T> handle;
   if (!is_null()) {
     handle = *this;
   }
@@ skipping 377 matching lines @@
     stress_type_ = stress_type;
   }
 
  private:
   static v8::Testing::StressType stress_type_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_API_H_