c/10426: -O2 messes with ordering of pointer dereferencing

[ebotcazou@gcc.gnu.org]

Synopsis: -O2 messes with ordering of pointer dereferencing

State-Changed-From-To: open->closed
State-Changed-By: ebotcazou
State-Changed-When: Thu Apr 17 14:24:48 2003
State-Changed-Why:
    Not a bug. The compiler is allowed to evaluate the side-effect 
    operator in any order in *p++ = tolower(*p).

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10426