------- Comment #7 from rguenther at suse dot de 2006-04-05 10:47 ------- Subject: Re: [4.1/4.2 Regression] Unable to determine # of iterations for a simple loop
> > would be much better here. The question is of course, if the programmer > > is allowed to write > > > > x + (size_t)-1 > > > > and expect the result to be defined. > > if I understand the C standard correctly, no, this has undefined behavior. This is also my understanding, so we should try to avoid creating the above in the frontends. But of course, as discussed, this doesn't solve the problem (does it, for constant offsets?). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27039
