re PR libstdc++/21172 (potential integer overflow error in STL heap functions)

re PR libstdc++/21172 (potential integer overflow error in STL heap functions)

2007-02-12  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/21172
	* include/bits/stl_heap.h (__adjust_heap(_RandomAccessIterator,
	_Distance, _Distance, _Tp), __adjust_heap(_RandomAccessIterator,
	_Distance, _Distance, _Tp, _Compare)): Avoid potential integer
	overflow.

	* include/bits/stl_heap.h (__is_heap(_RandomAccessIterator,
	_RandomAccessIterator), __is_heap(_RandomAccessIterator,
	_RandomAccessIterator, _StrictWeakOrdering): Mark inline.
	(make_heap(_RandomAccessIterator, _RandomAccessIterator,
	_Compare)): Do not mark inline.

	* include/bits/stl_heap.h (push_heap(_RandomAccessIterator,
	_RandomAccessIterator), sort_heap(_RandomAccessIterator,
	_RandomAccessIterator)): Uncomment __glibcxx_requires_heap.

From-SVN: r121875