Follow the spec in disallow function declarations without a name. We...

test/cctest/test-debug.cc

 // Copyright 2007-2008 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 4078 matching lines @@
     "  throw 'No data!'"
     "}";
 v8::Handle<v8::Function> debugger_call_with_data;
 
 
 // Source for a JavaScript function which returns the data parameter of a
 // function called in the context of the debugger. If no data parameter is
 // passed it throws an exception.
 static const char* debugger_call_with_closure_source =
     "var x = 3;"
-    "function (exec_state) {"
+    "(function (exec_state) {"
     "  if (exec_state.y) return x - 1;"
     "  exec_state.y = x;"
     "  return exec_state.y"
-    "}";
+    "})";
 v8::Handle<v8::Function> debugger_call_with_closure;
 
 // Function to retrieve the number of JavaScript frames by calling a JavaScript
 // in the debugger.
 static v8::Handle<v8::Value> CheckFrameCount(const v8::Arguments& args) {
   CHECK(v8::Debug::Call(frame_count)->IsNumber());
   CHECK_EQ(args[0]->Int32Value(),
            v8::Debug::Call(frame_count)->Int32Value());
   return v8::Undefined();
 }
@@ skipping 1247 matching lines @@
       v8::Script::New(
           v8::String::New(
               "function runTest(mirror) {"
               "  return mirror.isString() && (mirror.length() == 5);"
               "}"
               ""
               "runTest;"))->Run());
   v8::Handle<v8::Value> result = run_test->Call(env->Global(), 1, &obj);
   CHECK(result->IsTrue());
 }