c/6609: gcc 3.0.3 (and other versions) generate bogus code with -O2

[rth@gcc.gnu.org]

Synopsis: gcc 3.0.3 (and other versions) generate bogus code with -O2

State-Changed-From-To: open->closed
State-Changed-By: rth
State-Changed-When: Wed May  8 15:09:33 2002
State-Changed-Why:
    Not a bug.  This violates ICO C aliasing rules.
    Use a union instead.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6609