message: backtrace support
diff: @@ -258,7 +258,7 @@ static void sw_coro_func(void *arg)
  }
  call->symbol_table = NULL;
  - EG(current_execute_data) = NULL;
  +// EG(current_execute_data) = NULL;
  if (UNEXPECTED(func->op_array.fn_flags & ZEND_ACC_CLOSURE))
  {
  uint32_t call_info;
  