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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef AB_H
#define AB_H
#include <cassert>
class A
{
int id_;
public:
explicit A(int id) : id_(id) {++count;}
A(const A& a) : id_(a.id_) {++count;}
virtual ~A() {assert(id_ >= 0); id_ = -1; --count;}
static int count;
};
int A::count = 0;
class B
: public A
{
public:
explicit B(int id) : A(id) {++count;}
B(const B& a) : A(a) {++count;}
virtual ~B() {--count;}
static int count;
};
int B::count = 0;
#endif // AB_H
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