C: is too small to hold all values of ‘enum ABC‘

warning: ‘cpCOMMCSCFDB::ue_app_type’ is too small to hold all values of ‘enum DMAPP_TYPE’ [enabled by default]

这个意思是说，枚举类型的最大值，已经超出了，变量类型的容量。
这个应该报成错误才好。

return.c:15:11: warning: overflow in conversion from ‘int’ to ‘char’ changes value from ‘65535’ to ‘-1’ [-Woverflow]
char d = A10;
enum CDE {
A1,
A10=65535
};
char d = A10;