From: nobu.nokada@...
Date: 2003-03-02T18:59:10+09:00
Subject: Re: [BUG] gc_sweep(): unknown data type 48

Hi,

At Sun, 2 Mar 2003 03:47:37 +0900,
Mauricio Fern�ndez wrote:
> > Do you make an instance variable of String object or mix a
> > module which does such thing, and then add an instance variable
> > again to a String duplicated from it?
> 
> You mean adding instance variables to a String? I don't do that...
> And I only use String#dup once in my script (to duplicate $1) so...

Yes, I meant it.  Hmmm, it might not be, more information is
required.

> Moreover something very strange is happening:
> 
> the bug happens about once every 10 runs when using the binary provided
> by my distribution (Debian sid => 1.6.8 from Dec. 24 2002).
> However it didn't happen in about ~1500 runs with a binary I compiled
> myself (exactly same version, 1.6.8 Dec. 24) in order to get the
> debugging info for you. 
> 
> AFAIK there's only three differences between my binary and the system's
> one:
>  * mine is built for i686-linux, Debian for i386-linux => perhaps there's 
>    a bug in the gcc I'm using (gcc version 2.95.4 20011002 (Debian prerelease))

Unless you set CFLAGS while configure&make, it wouldn't affect.

>  * mine is installed in $HOME/usr; I built strscan for it and installed it there
>  * Debian uses --enable-shared and I do not. Could this affect anything?

These two and gcc version may affect memory location and GC.

-- 
Nobu Nakada