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: 98.200503.08-4
Severity: normal
It crashes with
let test x = test x + 1 in test 1
but does not with
let test x = 1 + test x in test 1
The same applies for factorial calculation like:
crash: let fac x = fac (x - 1) * x in fac (-1)
stack overflow: let fac x = x * fac (x - 1) in fac (-1)
I'm using a stock debian 2.6.16 kernel, so I shouldn't have any unusual stack
size.
-- System Information:
Debian Release: testing/unstable
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.16-2-686
Locale: LANG=cs_CZ.ISO-8859-2, LC_CTYPE=cs_CZ.ISO-8859-2 (charmap=ISO-8859-2)
Versions of packages hugs depends on:
ii libc6 2.3.6.ds1-4 GNU C Library: Shared libraries
ii libncurses5 5.5-3 Shared libraries for terminal hand
ii libreadline5 5.1-7 GNU readline and history libraries
hugs recommends no packages.
-- no debconf information
--- 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 ---
