------- Comment #3 from law at redhat dot com 2006-02-09 16:03 -------
Subject: Re: [4.2 regression] ICE in
is_old_name, at tree-into-ssa.c:466
On Thu, 2006-02-09 at 15:10 +0000, pinskia at gcc dot gnu dot org wrote:
>
> ------- Comment #1 from pinskia at gcc dot gnu dot org 2006-02-09 15:10
> -------
> Confirmed. (there is a missed optimization here also which Richard G. and I
> am
> looking at right now).
>
> Anyways,
> Before:
> # p_247 = PHI <&D.2477.a0.x[0](2)>;
> <L183>:;
> # TMT.32_246 = V_MAY_DEF <TMT.32_255>;
> *p_247 = 0B;
>
> After:
> # SFT.12 = V_MAY_DEF <SFT.12>;
> # TMT.32_246 = V_MAY_DEF <TMT.32_255>;
> D.2477.a0.x[0] = 0B;
>
> We forgot to rename SFT.12.
When does the unnamed SFT.12 first appear?
jeff
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26197
