2002-07-02 Paolo Carlini <pcarlini@unitus.it>
PR libstdc++/6642
* include/bits/stl_iterator.h
(__normal_iterator::operator-(const __normal_iterator&)):
Make non-member, as already happens for the comparison
operators in accord with DR179 (Ready).
* testsuite/24_iterators/iterator.cc: Add test from the PR.
From-SVN: r55188
