stl_heap.h (sort_heap): Iterator post-decrement is only required to be…

stl_heap.h (sort_heap): Iterator post-decrement is only required to be convertible to the iterator type.

2006-09-10  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/stl_heap.h (sort_heap): Iterator post-decrement is
	only required to be convertible to the iterator type.

From-SVN: r116812

libstdc++-v3/ChangeLog

+2006-09-10  Paolo Carlini  <pcarlini@suse.de>
+
+	* include/bits/stl_heap.h (sort_heap): Iterator post-decrement is
+	only required to be convertible to the iterator type.
+
 2006-09-08  Paolo Carlini  <pcarlini@suse.de>
 
 	* include/tr1/random.tcc (poisson_distribution<>::operator()):

libstdc++-v3/include/bits/stl_heap.h

 // Heap implementation -*- C++ -*-
 
-// Copyright (C) 2001, 2004, 2005 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2004, 2005, 2006 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -430,7 +430,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       //      __glibcxx_requires_heap(__first, __last);
 
       while (__last - __first > 1)
-	std::pop_heap(__first, __last--);
+	std::pop_heap(__first, _RandomAccessIterator(__last--));
     }
 
   /**
@@ -455,7 +455,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       __glibcxx_requires_heap_pred(__first, __last, __comp);
 
       while (__last - __first > 1)
-	std::pop_heap(__first, __last--, __comp);
+	std::pop_heap(__first, _RandomAccessIterator(__last--), __comp);
     }
 
 _GLIBCXX_END_NAMESPACE