[d8] Fix Shell::Stringify when exceptions are thrown.

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 1070 matching lines @@
             .ToLocalChecked();
     ScriptOrigin origin(name);
     Local<Script> script =
         Script::Compile(context, source, &origin).ToLocalChecked();
     stringify_function_.Reset(
         isolate, script->Run(context).ToLocalChecked().As<Function>());
   }
   Local<Function> fun = Local<Function>::New(isolate, stringify_function_);
   Local<Value> argv[1] = {value};
   v8::TryCatch try_catch(isolate);
-  MaybeLocal<Value> result =
-      fun->Call(context, Undefined(isolate), 1, argv).ToLocalChecked();
+  MaybeLocal<Value> result = fun->Call(context, Undefined(isolate), 1, argv);
   if (result.IsEmpty()) return String::Empty(isolate);
   return result.ToLocalChecked().As<String>();
 }
 #endif  // !V8_SHARED
 
 
 Local<ObjectTemplate> Shell::CreateGlobalTemplate(Isolate* isolate) {
   Local<ObjectTemplate> global_template = ObjectTemplate::New(isolate);
   global_template->Set(
       String::NewFromUtf8(isolate, "print", NewStringType::kNormal)
@@ skipping 1451 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif