template <class B>
int AString<B>::Compare(const tchar *b) const
{
	const tchar *a = B::Begin();
	const tchar *ae = End();
	for(;;) {
		if(a >= ae)
			return *b == 0 ? 0 : -1;
		if(*b == 0)
			return 1;
		int q = cmpval__(*a++) - cmpval__(*b++);
		if(q)
			return q;
	}
	// -rs added 1 line to explicitly return q(=0)
	return 0;
}