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Re: About standard_iv_increment_position
> > > The second remark is that standard_iv_increment_position will return a
> > > block_stmt_iterator and a position that is invalid for verify_flow_info,
> > > as shown in the following case that fails:
> > >
> > > if (_n_413 < N_60) goto <L5>; else goto <L23>;
> > > ivtmp.1076_499 = ivtmp.1076_498 + 1;
> > I don't think this can ever happen.
> This occured during a bootstrap of gcc in autovect branch.
then there is something fishy somewhere. Perhaps this invariant is
restored later, but I don't see any reason for violating it in the first