Qt警告：gcc warning "will be initialized after [-Wreorder]“

构造函数时，初始化成员变量的顺序要与类声明中的变量顺序相对应，若不对应，则出现如题错误。解决方法就是按照顺序进行初始化。

      对这个问题，StackOverflow上也发生了讨论，以下摘录原文：

Question：

    I am getting a lot of these warnings from 3rd party code that I cannot modify. Is there a way to disable this warning or at least disable it for certain areas (like #pragma push/pop in VC++)?

Example:

list.h:1122: warning: `list >::node_alloc_' will be initialized after 
        list.h:1117: warning:   `allocator<LogOutput*> list<LogOutput*, allocator<LogOutput*> >::alloc_'

Best Answer ：

Make sure the members appear in the initializer list in the same order as they appear in the class

Class C { int a; int b; C():b(1),a(2){} //warning, should be C():a(2),b(1) }

or you can turn -Wno-reorder

 
Another Answer：
	

		For those using QT having this error, add this to .pro file 

QMAKE_CXXFLAGS_WARN_ON += -Wno-reorder
	

原文链接：