gcc 警告"'将在之后初始化' [英] gcc warning" 'will be initialized after'

问题描述

我从无法修改的第 3 方代码中收到很多此类警告.有没有办法禁用此警告或至少在某些区域禁用它(例如 VC++ 中的#pragma push/pop)?

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++)?

例子:

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

推荐答案

确保成员出现在初始化列表中的顺序与它们在类中出现的顺序相同

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)
}

或者你可以转-Wno-reorder

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