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From: "rakdver at atrey dot karlin dot mff dot cuni dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/17591] Ada bootstrap SEGV in stage2 on osint.adb, no SEGV when -fno-ivopts
Date: Thu, 23 Sep 2004 12:12:00 -0000	[thread overview]
Message-ID: <20040923121212.4291.qmail@sourceware.org> (raw)
In-Reply-To: <20040921184410.17591.laurent@guerby.net>


------- Additional Comments From rakdver at atrey dot karlin dot mff dot cuni dot cz  2004-09-23 12:12 -------
Subject: Re:  Ada bootstrap SEGV in stage2 on osint.adb, no SEGV when -fno-ivopts

Hello,

> It cured the problem, and also fixed the following
> ACATS tests on x86: c37003a c43204e c48009b cc3224a cxaa010
> 
> The 19 remaining ACATS failure are identical on x86 and x86_64
> and do not seem related to ivopts.
> 
> Zdenek, what information I can provide would be helpful to you on this issue?
> 
> I can try reducing some of the five tests above, here are their exact failure mode:
> 
> * c37003a
> c37003a.adb: In function 'C37003A':
> c37003a.adb:40: error: Definition in block 8 does not dominate use in block 59
> for SSA_NAME: D.619_265
> in statement:
> ivtmp.99D.1044_1133 = &r1.4D.614_73->a2D.424{off: D.619_265 * 4}[1]{lb: 1 sz: 4};

once someone explains me what kind of brand new ultra cool absolutely
necessary feature should this "{off: D.619_265 * 4}" stuff be, fixing
this (and folowing two failures) should be straightforward.

> +===========================GNAT BUG DETECTED==============================+
> | 4.0.0 20040920 (experimental) (i686-pc-linux-gnu) verify_ssa failed.     |
> | Error detected at c37003a.adb:198:5                                      |
> 
> +===========================GNAT BUG DETECTED==============================+
> | 4.0.0 20040920 (experimental) (i686-pc-linux-gnu) verify_ssa failed.     |
> | Error detected at c43204e.adb:179:5                                      |
> 
> +===========================GNAT BUG DETECTED==============================+
> | 4.0.0 20040920 (experimental) (i686-pc-linux-gnu) verify_ssa failed.     |
> | Error detected at c48009b.adb:255:5                                      |
> 
> * cc3224a
> compiles but fails at run time:
> 
> ,.,. CC3224A ACATS 2.5 04-09-20 21:39:14
> ---- CC3224A CHECK THAT A FORMAL ARRAY TYPE DENOTES ITS ACTUAL
>                 PARAMETER, AND THAT OPERATIONS OF THE FORMAL TYPE ARE
>                 THOSE IDENTIFIED WITH THE CORRESPONDING OPERATIONS OF
>                 THE ACTUAL TYPE.
>    * CC3224A AND REPORT.FAILED - BOOLEAN.
>    * CC3224A OR REPORT.FAILED - BOOLEAN.
> **** CC3224A FAILED ****************************.

No idea, will check once I get to computer with Ada installed.

> * cxaa010
> cxaa010.adb: In function 'CXAA010':
> cxaa010.adb:78: error: Expected an SSA_NAME object
> while verifying SSA_NAME tc_id in statement
> #   tc_idD.942 = V_MAY_DEF <tc_idD.942>;
> #   VUSE <neighborhood_taxesD.676_978>;
> tc_idD.942 = *ruatmp.227D.1832_4516;
> 
> +===========================GNAT BUG DETECTED==============================+
> | 4.0.0 20040920 (experimental) (i686-pc-linux-gnu) verify_ssa failed.     |
> | No source file position information available                            |

Ditto.

Zdenek


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17591


  parent reply	other threads:[~2004-09-23 12:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-21 18:44 [Bug bootstrap/17591] New: " laurent at guerby dot net
2004-09-21 18:49 ` [Bug bootstrap/17591] " pinskia at gcc dot gnu dot org
2004-09-21 19:02 ` laurent at guerby dot net
2004-09-21 19:06 ` pinskia at gcc dot gnu dot org
2004-09-21 19:09 ` [Bug tree-optimization/17591] " pinskia at gcc dot gnu dot org
2004-09-22 21:24 ` [Bug bootstrap/17591] " laurent at guerby dot net
2004-09-22 22:11 ` [Bug tree-optimization/17591] " pinskia at gcc dot gnu dot org
2004-09-23 12:12 ` rakdver at atrey dot karlin dot mff dot cuni dot cz [this message]
2004-09-24 22:31 ` [Bug bootstrap/17591] " laurent at guerby dot net
2004-09-24 22:40 ` [Bug tree-optimization/17591] " pinskia at gcc dot gnu dot org
2004-09-25 11:12 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2004-09-25 15:18 ` pinskia at gcc dot gnu dot org
2004-09-26  8:32 ` cvs-commit at gcc dot gnu dot org
2004-09-26 13:44 ` pinskia at gcc dot gnu dot org

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