[#1147] Copying RVALUE — why the lucky stiff <ruby-core@...>

Hello, everyone. Hope you are all doing well.

18 messages 2003/06/17
[#1155] Re: Copying RVALUE — matz@... (Yukihiro Matsumoto) 2003/06/20

Hi,

[#1157] Re: Copying RVALUE — why the lucky stiff <ruby-core@...> 2003/06/20

Yukihiro Matsumoto (matz@ruby-lang.org) wrote:

[#1173] class.c code cleanup (rb_class_*_instance_methods) — Matthew Dempsky <jivera@...>

Hi, I'm new to this mailing list so I don't know the procedure for

15 messages 2003/06/22
[#1174] Re: [Patch] class.c code cleanup (rb_class_*_instance_methods) — nobu.nokada@... 2003/06/22

Hi,

[#1175] Re: [Patch] class.c code cleanup (rb_class_*_instance_methods) — Matthew Dempsky <jivera@...> 2003/06/22

On Sun, 2003-06-22 at 05:36, nobu.nokada@softhome.net wrote:

[#1176] Re: [Patch] class.c code cleanup (rb_class_*_instance_methods) — nobu.nokada@... 2003/06/22

Hi,

[#1193] Re: [Patch] class.c code cleanup (rb_class_*_instance_methods) — Matthew Dempsky <jivera@...> 2003/06/25

On Sun, 2003-06-22 at 07:41, nobu.nokada@softhome.net wrote:

[#1177] Re: In 1.8.0 nil.to_s is not the same as "" — ts <decoux@...>

14 messages 2003/06/22

Re: YAML problem

From: nobu.nokada@...
Date: 2003-06-05 08:24:32 UTC
List: ruby-core #1121
Hi,

At Thu, 5 Jun 2003 14:49:15 +0900,
why the lucky stiff wrote:
> > % ruby -ryaml -e 'a = []; 1000.times { a << {"a"=>"b","c"=>"d"} }; puts a.to_yaml'|ruby -ryaml -e 'YAML.load(STDIN)'
> > zsh: done                              ruby -ryaml -e  | 
> > zsh: segmentation fault (core dumped)  ruby -ryaml -e 'YAML.load(STDIN)'
> 
> Marshal had the same problem years ago (see [ruby-dev:8067]).  I used
> Matz' fix in [ruby-dev:8068].
> 
> This appeared to be a problem with GC nodes being used in rb_hash_aset.
> I don't understand, since rb_ary_store didn't experience the same problems.  
> Matz knows these secrets.

Seems that porinters to local variables would be stored in
parser and left staying.  This will cause GC crashed.

And I guess volatile `hash' might be unnecessary, also one in
marshal_load().

-- 
Nobu Nakada

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