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[Bug tree-optimization/33498] Optimizer (-O2) may convert a normal loop to infinite
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 Sep 2007 15:30:35 -0000
- Subject: [Bug tree-optimization/33498] Optimizer (-O2) may convert a normal loop to infinite
- References: <bug-33498-15115@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #14 from pinskia at gcc dot gnu dot org 2007-09-20 15:30 -------
(In reply to comment #13)
> > Are you telling me that *any* integer overflow allows a compiler to generate a
> > buggy code without any notice ?
>
> No, unsigned integer overflow is well defined.
Except by definition, there is no unsigned overflow.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33498