Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."

[Richard Kenner]

> http://gcc.gnu.org/ml/gcc/2006-12/msg00607.html
> 
> If this doesn't count as "optimization of loop invariants"
> then what would count?

One where the induction variable was updated additively, not
multiplicatively.  When we talk about normal loop optimizations,
that's what we mean.  I agree that the optimization in this case is of
questionable value.