Subversion Repositories openrisc

// { dg-do compile }

// { dg-options "-fno-exceptions" }

typedef unsigned int uint;

struct QShared {

    bool deref() {

        return !--count;

    }

    uint count;

};

template  class QValueListNode {

public:

    QValueListNode* next;

    QValueListNode* prev;

};

template  class QValueListPrivate : public QShared {

public:

    typedef QValueListNode Node;

    typedef QValueListNode* NodePtr;

    QValueListPrivate();

    void derefAndDelete()     {

        if ( deref() )      delete this;

    }

    ~QValueListPrivate();

    NodePtr node;

};

template   QValueListPrivate::QValueListPrivate() {

    node = new Node;

    node->next = node->prev = node;

}

template   QValueListPrivate::~QValueListPrivate() {

    NodePtr p = node->next;

    while( p != node ) {

        NodePtr x = p->next;

        delete p;

        p = x;

    }

}

template  class QValueList {

public:

    QValueList() {

        sh = new QValueListPrivate;

    }

    ~QValueList() {

        sh->derefAndDelete();

    }

    QValueListPrivate* sh;

};

class Cell {

    QValueList obscuringCells() const;

};

QValueList Cell::obscuringCells() const {

    QValueList empty;

}