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Re: [Bug tree-optimization/16705] ICE inverify_flow_insensitive_alias_info
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 28 Jul 2004 11:47:05 -0400
- Subject: Re: [Bug tree-optimization/16705] ICE inverify_flow_insensitive_alias_info
- Organization: Red Hat Canada
- References: <10407281504.AA02322@vlsi1.ultra.nyu.edu>
On Wed, 2004-07-28 at 11:04, Richard Kenner wrote:
> stage2/xgcc -Bstage2/ -B/home/dnovillo/gcc.ada/native/i686-pc-linux-gnu/bin/ -c -g -O2 -gnatpg -gnata -I- -I. -Iada -I/home/dnovillo/gcc.ada/src/gcc/ada /home/dnovillo/gcc.ada/src/gcc/ada/ada.ads -o ada/ada.o
> +===========================GNAT BUG DETECTED==============================+
> | 3.5.0 20040728 (experimental) (i686-pc-linux-gnu) Storage_Error stack overflow (or erroneous memory access)|
>
> I was afraid something else would have gotten broken in the week or so
> that I was last able to do a bootstrap.
>
> I guess I know what I'm working on today. :-(
>
Note that the .GLOBAL_VAR creation heuristic is buggy. Causing bad code
generation problems. I see that Ada triggers the creation of
.GLOBAL_VAR.
I'm testing a patch to fix it. I'll check if it has any effect on ada
and let you know.
Diego.