language: C++ 4.7.2 (gcc-4.7.2)
date: 139 days 16 hours ago
link:
visibility: private 
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class A {
   void foo();
   
   friend class C;
};
 
class B : private A {
};
 
class C {
   void bar() { B b; b.foo(); }
};
 
int main() {
}
prog.cpp: In member function ‘void C::bar()’:
prog.cpp:3: error: ‘void A::foo()’ is private
prog.cpp:12: error: within this context
prog.cpp:12: error: ‘A’ is not an accessible base of ‘B’