[Bug tree-optimization/23361] Can't eliminate empty loops with power of two step and variable bounds

[dberlin at dberlin dot org]

------- Additional Comments From dberlin at gcc dot gnu dot org  2005-08-12 23:43 -------
Subject: Re:  Can't eliminate empty loops with
	power of two step and variable bounds

On Fri, 2005-08-12 at 19:10 +0000, pinskia at gcc dot gnu dot org wrote:
> ------- Additional Comments From pinskia at gcc dot gnu dot org  2005-08-12 19:10 -------

Personally, i think -funsafe-loop-optimizations should be on by default
in -O3, with a warning for when we rely on it.

It's *incredibly* rare that a user actually intends for a loop counter
to be able to overflow.




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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23361