[d8] reset global handle on exit.

src/d8.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 // Defined when linking against shared lib on Windows.
 #if defined(USING_V8_SHARED) && !defined(V8_SHARED)
 #define V8_SHARED
 #endif
 
@@ skipping 2460 matching lines @@
     }
 
     // Run interactive shell if explicitly requested or if no script has been
     // executed, but never on --test
     if (options.use_interactive_shell()) {
       RunShell(isolate);
     }
 
     // Shut down contexts and collect garbage.
     evaluation_context_.Reset();
+#ifndef V8_SHARED
+    stringify_function_.Reset();
+#endif  // !V8_SHARED
     CollectGarbage(isolate);
   }
   OnExit(isolate);
 #ifndef V8_SHARED
   // Dump basic block profiling data.
   if (i::BasicBlockProfiler* profiler =
           reinterpret_cast<i::Isolate*>(isolate)->basic_block_profiler()) {
     i::OFStream os(stdout);
     os << *profiler;
   }
 #endif  // !V8_SHARED
   isolate->Dispose();
   V8::Dispose();
   V8::ShutdownPlatform();
   delete g_platform;
 
   return result;
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif