err-msg12.c

来自「俄罗斯高人Mamaich的Pocket gcc编译器（运行在PocketPC上）」· C语言 代码 · 共 7 行

// Build don't link: 
// GROUPS passed error-messages
class foo {
public:
  friend mutable int x ();// ERROR -  non-object member `x' cannot be declared `mutable'
};