Synopsis: g++ rejects legal code
State-Changed-From-To: open->closed
State-Changed-By: nathan
State-Changed-When: Sat Jul 21 13:02:12 2001
State-Changed-Why:
Not a bug. you misunderstand mutable.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=3760&database=gcc