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[Gcl-devel] Re: segmentation violations


From: Camm Maguire
Subject: [Gcl-devel] Re: segmentation violations
Date: 21 Nov 2006 19:00:04 -0500
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

Greetings, and thanks!  These should be fixed now:

Robert Boyer <address@hidden> writes:

> > Great!  Any emergency resets?
> 
> Oh sure, when I do idiot things like trace format.  Very nice!
> 
> > Agreed -- this one should be fixed now.  Unfortunately, it is a hunt
> > and pick operation.  Thankfully we have the ansi tests to help.
> 
> Here are about 17 forms that when typed at the top level results in
> something like:
> 
>   Caught fatal error [memory may be damaged]: Segmentation violation.
> 
>    (adjust-array 1 2)
>    (write-string 0 0)
>    (untrace 1 2 3)
>    (typecase '(1 2 3) 4)
>    (with-simple-restart 1 2 3 4 5)
>    (pprint-logical-block 134790128 135401728)
>    (restart-bind 1 2 3 4 5)
>    (handler-case 0 1 2 3 4 5 6)
>    (byte-position  1 )
>    (byte-size  1 )
>    (deposit-field  1  2  3 )
>    (dpb  1  2  3 )
>    (proclaim (list (function car)))
>    (handler-bind  1  2  3  4  5)
>    (ldb  1  2 )
>    (ldb-test  1  2 )
>    (mask-field  1  2 )
>    (coerce (quote (b . 17))(quote (c . 17)))
>    (subtypep (quote (b . 17))(quote (c . 17))(quote (d . 17)))
>    (read-from-string  1  2 )
>    (svref  1  2 )
> 

If you have a little torture tester written already, we could include
this in ansi-tests (or elsewhere).

> These are pretty easy to generate by calling random functions on random
> arguments.
> 
> By mapping over all accessible objects, I ran across about 180 symbols
> whose symbol-package is neither NIL nor in (LIST-ALL-PACKAGES).
> 

But not these, yet.  How do you map over the accessible symbols?

Take care,

> Bob
> 
> 
> 

-- 
Camm Maguire                                            address@hidden
==========================================================================
"The earth is but one country, and mankind its citizens."  --  Baha'u'llah




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