1 // { dg-do run } 2 // prms-id: 6610 3 // There is a bug in vtable thunks with multiple/virtual inheritance. 4 5 int fail = 1; 6 struct B; 7 struct A { virtual int f(const B*) = 0; int g(const B*); }; g(const B * t)8int A::g(const B* t) { return f(t); } 9 struct B : virtual A { B(); int f(const B*); B* B_this; }; B()10B::B() { if (g(this)) fail = 0; } f(const B * t)11int B::f(const B* t) { return t == this; } 12 struct C : B { int f(const B*); int x; }; f(const B *)13int C::f(const B*) { return 0; } 14 main()15int main() { C c; return fail; } 16