记一个 bug

Posted 2020-09-05 明天有风吹

 

nofuck.cpp

1 #include <map>
2 
3 static std::map<int, int> m;
4 
5 std::map<int, int>& GetMap()
6 {
7 return m;  
8 }

main.cpp

 1 #include <map>
 2 
 3 std::map<int, int>& GetMap();
 4 
 5 class Fuck{
 6 public:
 7     Fuck(){
 8         GetMap().clear();
 9     }
10 };
11 
12 static Fuck fuck;
13 
14 int main(int argc, char** argv)
15 {
16     return 0;
17 }

 

 

http://stackoverflow.com/questions/1005685/c-static-initialization-order

http://coolshell.cn/articles/10115.html