core, refactor: use default dcheck error handler.

fibjs/src/base/options.cpp

@@ -87,16 +87,6 @@ static void printHelp()
          "Documentation can be found at http://fibjs.org\n");
 }
 
-#ifdef DEBUG
-void asyncLog(int32_t priority, exlib::string msg);
-void DcheckHandler(const char* file, int line, const char* message)
-{
-    char p_msg[256];
-    snprintf(p_msg, sizeof(p_msg), "Assert(DCheck) in %s, line %d: %s", file, line, message);
-    asyncLog(console_base::C_DEBUG, p_msg);
-}
-#endif
-
 void options(int32_t& pos, char* argv[])
 {
     int32_t argc = pos;
@@ -177,8 +167,5 @@ void options(int32_t& pos, char* argv[])
         argc -= df;
 
     v8::V8::SetFlagsFromCommandLine(&argc, argv, true);
-#ifdef DEBUG
-    v8::V8::SetDcheckErrorHandler(DcheckHandler);
-#endif
 }
 }