Fix the handling of termination exceptions thrown when creating error...

src/debug.cc

 // Copyright 2006-2008 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 643 matching lines @@
   bool caught_exception = false;
   Handle<JSFunction> function =
       Factory::NewFunctionFromBoilerplate(boilerplate, context);
   Handle<Object> result =
       Execution::TryCall(function, Handle<Object>(context->global()),
                          0, NULL, &caught_exception);
 
   // Check for caught exceptions.
   if (caught_exception) {
     Handle<Object> message = MessageHandler::MakeMessageObject(
-        "error_loading_debugger", NULL, HandleVector<Object>(&result, 1),
+        "error_loading_debugger", NULL, Vector<Handle<Object> >::empty(),
         Handle<String>());
     MessageHandler::ReportMessage(NULL, message);
     return false;
   }
 
   // Mark this script as native and return successfully.
   Handle<Script> script(Script::cast(function->shared()->script()));
   script->set_type(Smi::FromInt(Script::TYPE_NATIVE));
   return true;
 }
@@ skipping 1319 matching lines @@
       Handle<JSFunction> fun(Handle<JSFunction>::cast(event_listener_));
 
       // Invoke the JavaScript debug event listener.
       const int argc = 4;
       Object** argv[argc] = { Handle<Object>(Smi::FromInt(event)).location(),
                               exec_state.location(),
                               Handle<Object>::cast(event_data).location(),
                               event_listener_data_.location() };
       Handle<Object> result = Execution::TryCall(fun, Top::global(),
                                                  argc, argv, &caught_exception);
-      if (caught_exception) {
-        // Silently ignore exceptions from debug event listeners.
-      }
+      // Silently ignore exceptions from debug event listeners.
     }
   }
 }
 
 
 void Debugger::UnloadDebugger() {
   // Make sure that there are no breakpoints left.
   Debug::ClearAllBreakPoints();
 
   // Unload the debugger if feasible.
@@ skipping 548 matching lines @@
 
 
 void LockingCommandMessageQueue::Clear() {
   ScopedLock sl(lock_);
   queue_.Clear();
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal