Qt ERROR : The inferior stopped because it received a signal from the operating system.
IDE
Qt 5.14.1 - Qt Creator 4.11.0 (Community)
错误描述
编译并不报错，运行时程序崩溃（停止工作）
调试时错误提示（截图）：
错误原因
通过指向QMenu对象的指针调用void QWidget::addAction(QAction *action)时，将未初始的QAction*类型成员变量作为参数，即使用野指针传参
参考文章
Qt 错误：The inferior stopped because it received a signal from the Operating System_非常道的博客-CSDN博客
[QT]The inferior stopped because it received a signal from the operating system 自己解决方法_erenzai_CUGB的博客-CSDN博客
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