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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.dg/] [init/] [ref9.C] - Rev 154
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// { dg-do run }
struct ex;
struct basic {
int refcount;
ex eval() const;
basic() : refcount(0) {}
};
struct ex {
basic *bp;
ex() : bp(0) { }
ex(const basic &);
virtual ~ex();
void construct_from_basic(const basic &);
};
ex basic::eval() const {
throw 1;
}
inline ex::ex(const basic &b) { construct_from_basic (b); }
inline ex::~ex() { if (--bp->refcount == 0) delete bp; }
void ex::construct_from_basic(const basic &b) {
const ex & tmpex = b.eval();
bp = tmpex.bp;
bp->refcount++;
}
ex pow() { return basic(); }
int main()
{
try { pow (); } catch (int) {}
return 0;
}
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