optimization/8302: Pointer casting causes ++ to be ignored when optimizing

[bangerth@dealii.org]

Synopsis: Pointer casting causes ++ to be ignored when optimizing

State-Changed-From-To: open->feedback
State-Changed-By: bangerth
State-Changed-When: Fri Dec  6 12:18:13 2002
State-Changed-Why:
    There is no self-contained testcase in this report. Do you
    still have it, so that we can take a look at it?
    
    Thanks
      Wolfgang

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8302