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[Bug tree-optimization/26626] [4.2 Regression] ICE in in add_virtual_operand
- From: "dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Mar 2006 00:39:12 -0000
- Subject: [Bug tree-optimization/26626] [4.2 Regression] ICE in in add_virtual_operand
- References: <bug-26626-12049@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from dberlin at gcc dot gnu dot org 2006-03-10 00:39 -------
Subject: Re: [4.2 Regression] ICE in in
add_virtual_operand
On Thu, 2006-03-09 at 23:58 +0000, pinskia at gcc dot gnu dot org wrote:
>
> ------- Comment #5 from pinskia at gcc dot gnu dot org 2006-03-09 23:58 -------
> Forgot to say we also get the following NOTEs in the copyprop dump:
> NOTE: no flow-sensitive alias info for rv.0_2 in # VUSE <NMT.8_14>;
> D.2364_4 = rv.0_2->d;
> NOTE: no flow-sensitive alias info for rv.0_2 in # VUSE <NMT.8_14>;
> D.2364_4 = rv.0_2->d;
> NOTE: no flow-sensitive alias info for rv.0_2 in # NMT.8_17 = V_MAY_DEF
> <NMT.8_14>;
> rv.0_2->d = D.2365_5;
>
This bare NMT usage is wrong, and indicative of a problem elsewhere.
>
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26626