// { dg-do assemble  }// From: chw@bellcore.com (Charlie Woloszynski,MRE 2J-278,8295228,,27143)// Newsgroups: gnu.g++.bug// Subject: gcc-2.5.5 bug in multiple inheritance and pure virtual functions// Date: 25 Jan 1994 23:41:36 -0500// Bug: g++ fails to notice definitions of abstract virtuals.class A {public:  virtual void a1() = 0;  virtual void a2() = 0;};class B{public:  virtual void b1() = 0;  virtual void b2() = 0;};class C: public A, public B{public:  virtual void a2() {};  virtual void b2() {};};class D : public C{public:  virtual void a1() {};  virtual void b1() {};};int main(){  D d;				// { dg-bogus "" } }