// { dg-do run } // prms-id: 2846 extern "C" int printf(const char *, ...); extern "C" void exit(int); class A; class B; int c; class A { public: A(void){} A(const A&){} A(const B&); virtual ~A(void){} virtual void print(void) const { printf("A::print\n"); printf("FAIL\n"); exit(1); } B compute(void) const; }; class B : private A { friend class A; public: virtual ~B(void){} void print(void) const { ++c; printf("B::print\n"); } private: B(const A& x, int){} }; A::A(const B& s) { s.print(); } B A::compute(void) const { B sub(*this, 1); return sub; } int main () { A titi; A toto = titi.compute(); if (c != 1) { printf ("FAIL\n"); return 1; } else { printf("PASS\n"); return 0; } }