Your message dated Sun, 19 Nov 2006 17:18:12 +0100
with message-id <[EMAIL PROTECTED]>
and subject line hugs segfault fixed in experimental
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--- Begin Message ---
Package: hugs
Version: 98.200503.08-3
Severity: normal
Hello Isaac,
It looks like hugs segfault if you instancy Show but not define a
show method and then implicitly use it:
Let foo.hs =
--->8-----
module Fibo where
type Quad = (Integer,Integer)
newtype Gauss = Karl Quad
instance Eq Gauss where
Karl (a,b) == Karl (c,d) = a == c && b == d
instance Show Gauss where
---8<-----
in
$ hugs fibo3.hs
Type :? for help
Fibo> Karl (1,2)
zsh: segmentation fault hugs fibo3.hs
Cheers,
--
Bill. <[EMAIL PROTECTED]>
Imagine a large red swirl here.
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.4.27
Locale: LANG=fr_FR, LC_CTYPE=fr_FR (charmap=ISO-8859-1)
Versions of packages hugs depends on:
ii libc6 2.3.5-6 GNU C Library: Shared libraries an
ii libncurses5 5.4-9 Shared libraries for terminal hand
ii libreadline5 5.0-11 GNU readline and history libraries
--- End Message ---
--- Begin Message ---
Version: 98.200609.21-1
Hi,
I am preparing the new upstream release of Hugs (September 2006) in
experimental and I am going through old bug reports to see if they are
fixed in this new version.
Hugs no longer segfault on some infinite computations so this bug is
fixed, so I am closing this bug with the appropriate version.
[EMAIL PROTECTED]:~$ hugs fibo3.hs
__ __ __ __ ____ ___ _________________________________________
|| || || || || || ||__ Hugs 98: Based on the Haskell 98 standard
||___|| ||__|| ||__|| __|| Copyright (c) 1994-2005
||---|| ___|| World Wide Web: http://haskell.org/hugs
|| || Bugs: http://hackage.haskell.org/trac/hugs
|| || Version: September 2006 _________________________________________
Haskell 98 mode: Restart with command line option -98 to enable extensions
Type :? for help
Fibo> :l fibo3.hs
Fibo> Karl (1,2)
ERROR - Control stack overflow
Fibo>
Greetings Arjan
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--- End Message ---
