qt异常处理相关问题

[weixin_38054276]

QT_TRY    {               int a = 9;               int b = 9;               int c = a/(a-b);               throw a;               //asm("mov eax,0");    }    QT_CATCH (int)    {        qDebug() << "catch throw";        //return 0;    }    catch(...)    {        qDebug() << "catch throw11111111";    }异常捕获不到？