2008-10-07 Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/stl_iterator.h (operator-(const reverse_iterator<>&,
const reverse_iterator<>&), operator-(const __normal_iterator<>&,
const __normal_iterator<>&), operator-(const move_iterator<>&,
const move_iterator<>&)): Use the auto -> return type syntax,
implement DR 685.
From-SVN: r140937