[plt-scheme] Segfault during debug

From: Paulo J. Matos (pocmatos at gmail.com)
Date: Mon Apr 17 13:14:32 EDT 2006

On 17/04/06, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> At Tue, 11 Apr 2006 09:34:03 -0600, Matthew Flatt wrote:
> > At Tue, 11 Apr 2006 14:31:21 +0100, "Paulo J. Matos" wrote:
> > > The second call to (solutions) fails. That wierd. Wierder is that if
> > > you step through the two (solutions) calls, the second one segfaults.
> >
> > This looks like a bug in the bytecode optimizer
>
> No, it was a bug in sharing for nested continuations. Inserting a
> `with-continuation-mark' into the example merely shifted continuation
> information enough to expose a bug.
>

Thanks, and thanks again for the with-continuation-mark. I'll look at
it! :) Might come in handy in the future!

> This is now fixed in SVN.
>
> Matthew
>
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--
Paulo Jorge Matos - pocm at sat inesc-id pt
Web: http://sat.inesc-id.pt/~pocm
Computer and Software Engineering
INESC-ID - SAT Group


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