[Bug tree-optimization/32705] [4.3 Regression] ICE in set_ssa_val_to, at tree-ssa-sccvn.c:1022

[dberlin at dberlin dot org]

------- Comment #3 from dberlin at gcc dot gnu dot org  2007-07-09 18:12 -------
Subject: Re:  New: [4.3 Regression] ICE in set_ssa_val_to, at
tree-ssa-sccvn.c:1022

Oh, this assert, sorry, i removed the other assert int his function.

This means we have discovered some very very very strange value that
an ssa name value numbers to.

Can someone paste the output of debug_generic_stmt (to) and
debug_tree(to) at the point of failure?

On 9 Jul 2007 16:50:55 -0000, rguenth at gcc dot gnu dot org
<gcc-bugzilla@gcc.gnu.org> wrote:
> === acats Summary ===
> # of expected passes            2269
> # of unexpected failures        46
>
> *** FAILURES: ae2113a ae2113b c38202a c85014b c87b26b c910001 c930001 c93008b
> c94002b c94002d c94002e c94002f c94002g c94008c c95012a c95085a c954015 c954019
> c954022 c954026 c954a03 c97113a c97201g c97201h c97201x c97202a c97205a c97205b
> c97305a c97305b c97305c c97305d c974002 c974003 c974008 c974009 c974010 c974011
> cc1207b cc3019c cd92001 ce2103a ce2201l ce2202a ce3815a cxh1001
>
> nearly all of them are of the form
>
> +===========================GNAT BUG DETECTED==============================+
> | 4.3.0 20070709 (experimental) (x86_64-unknown-linux-gnu) GCC error:      |
> | in set_ssa_val_to, at tree-ssa-sccvn.c:1022                              |
> | Error detected around ae2113b.adb:33                                     |
> | Please submit a bug report; see http://gcc.gnu.org/bugs.html.            |
> | Use a subject line meaningful to you and us to track the bug.            |
> | Include the entire contents of this bug box in the report.               |
> | Include the exact gcc or gnatmake command that you entered.              |
> | Also include sources listed below in gnatchop format                     |
> | (concatenated together with no headers between files).                   |
> +==========================================================================+
>
>
> --
>            Summary: [4.3 Regression] ICE in set_ssa_val_to, at tree-ssa-
>                     sccvn.c:1022
>            Product: gcc
>            Version: 4.3.0
>             Status: UNCONFIRMED
>           Keywords: ice-on-valid-code
>           Severity: normal
>           Priority: P3
>          Component: tree-optimization
>         AssignedTo: unassigned at gcc dot gnu dot org
>         ReportedBy: rguenth at gcc dot gnu dot org
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32705
>
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-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32705