Fix remote debugger crash.

src/d8.cc

 // 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 508 matching lines @@
 }
 
 
 Handle<Value> Shell::Version(const Arguments& args) {
   return String::New(V8::GetVersion());
 }
 
 
 void Shell::ReportException(v8::TryCatch* try_catch) {
   HandleScope handle_scope;
+  bool enter_context = !Context::InContext();
+  if (enter_context) utility_context_->Enter();
   v8::String::Utf8Value exception(try_catch->Exception());
   const char* exception_string = ToCString(exception);
   Handle<Message> message = try_catch->Message();
   if (message.IsEmpty()) {
     // V8 didn't provide any extra information about this error; just
     // print the exception.
     printf("%s\n", exception_string);
   } else {
     // Print (filename):(line number): (message).
     v8::String::Utf8Value filename(message->GetScriptResourceName());
@@ skipping 14 matching lines @@
       printf("^");
     }
     printf("\n");
     v8::String::Utf8Value stack_trace(try_catch->StackTrace());
     if (stack_trace.length() > 0) {
       const char* stack_trace_string = ToCString(stack_trace);
       printf("%s\n", stack_trace_string);
     }
   }
   printf("\n");
+  if (enter_context) utility_context_->Exit();
 }
 
 
 #ifndef V8_SHARED
 Handle<Array> Shell::GetCompletions(Handle<String> text, Handle<String> full) {
   HandleScope handle_scope;
   Context::Scope context_scope(utility_context_);
   Handle<Object> global = utility_context_->Global();
   Handle<Value> fun = global->Get(String::New("GetCompletions"));
   static const int kArgc = 3;
@@ skipping 912 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif