| // { dg-do run } |
| // Shows that problem of initializing one object's secondary base from |
| // another object via a user defined copy constructor for that base, |
| // the pointer for the secondary vtable is not set after implicit |
| // copying of the outer class, but rather has the pointer to the main |
| // vtable for the secondary base left over from the user defined copy |
| // constructor for that base. |
| |
| // Correct answer is B::beefy. |
| // g++ prints A::beefy, which is wrong. Cfront gets it right. |
| |
| // prms-id: 2846 |
| |
| extern "C" int printf(const char *, ...); |
| extern "C" void exit(int); |
| |
| class B; |
| |
| class A { |
| public: |
| |
| A(void){} |
| A(const A&){} |
| |
| virtual void print(void) const { } |
| B compute(void) const; |
| }; |
| |
| class C { |
| public: |
| C() { } |
| C(C& o) { } // with it, things are wrong, without it, they're ok |
| virtual void beefy(void) const { printf("A::beefy\n"); exit(1); } |
| }; |
| |
| class B : private A, public C { |
| public: |
| B(const A& x, int){} |
| void beefy(void) const { printf("B::beefy\n"); } |
| }; |
| |
| B A::compute(void) const |
| { |
| B sub(*this, 1); |
| return sub; |
| } |
| |
| int main () |
| { |
| A titi; |
| titi.compute().beefy(); |
| return 0; |
| } |