{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"self.call_intrinsic(\"llvm.va_start\","}]}
        self.call_intrinsic("llvm.va_start", &[self.val_ty(va_list)], &[va_list])
    fn va_start(&mut self, va_list: &'ll Value) -> &'ll Value {
    }