| // PR c++/100797 | |
| // { dg-do run } | |
| bool ok = false; | |
| struct S1 { virtual ~S1() {} }; | |
| struct S2 { virtual void f1() = 0; }; | |
| struct S3: S1, S2 { | |
| void f1() { f2(); } | |
| virtual void f2() = 0; | |
| }; | |
| struct S4: S3 { | |
| void f2() { ok = true; } | |
| using S2::f1; | |
| }; | |
| int main() { | |
| S4().f1(); | |
| if (!ok) __builtin_abort (); | |
| } |