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Search for the smallest possible possible Ocaml segfault....
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Date: -- (:)
From: Jeremy Yallop <jeremy.yallop@e...>
Subject: Re: [Caml-list] Search for the smallest possible possible Ocaml segfault....
Till Varoquaux wrote:
> I have a  open bug in ocaml
> (http://caml.inria.fr/mantis/view.php?id=4321) that leads very simply
> to a segfault. The bug has been there for more than 4 months and is
> still marked as "new". Since it seems to be stalling I thought I might
> give it a gentle prod: what is the smallest possible ocaml program you
> can come up with that leads to a reproducible segfault without using
> FFI's Obj or Marshal. Here is mine:
> 
> Scanf.sscanf  "\"%2$c%1$s\"" "%{%c%s%}" (fun f->Printf.printf f 'x' "xy");;

I've already reported this (on the mailing list) and it's probably been 
fixed by now, but in OCaml 3.10.0:

      !((object val virtual x:'a method x=x end)#x)

Jeremy.