42 lines
661 B
C
42 lines
661 B
C
// 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.
|
|
// Build don't link:
|
|
|
|
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; // gets bogus error
|
|
}
|