libstdc++/6642: Constness prevents substraction of iterators

[paolo@gcc.gnu.org]

Synopsis: Constness prevents substraction of iterators

State-Changed-From-To: analyzed->closed
State-Changed-By: paolo
State-Changed-When: Thu Jul 25 04:36:13 2002
State-Changed-Why:
    Fixed for 3.2 and 3.3 together with the related 6503 and
    7186.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6642