From: Pit Capitain <pit@...>
Date: 2006-12-01T21:31:31+09:00
Subject: Re: Segmentation fault, proc, eval, long string [Reproduced]

Bob Hutchison schrieb:
> So I put some printf into the eval.c file and it turns out that rb_eval 
> is called recursively 5301 times before seg faulting, while trying to 
> handle a NODE_DASGN_CURR node. There are no other eval node types being 
> evaluated when this begins, every node is a NODE_DASGN_CURR.
> 
> There is nothing that is anywhere that deep in the script that I am 
> evaluating. So it looks as though the proc object is corrupt??
> 
> So maybe this is reproducible?? Well, so it is. If I run this script:
> 
> (...)
> 
> It will fail on the one linux box, run on the other, and run on OS X. 
> With a little binary search, the smallest N that causes the segfault is 
> 3024 (3023 works).

Bob, you can use parsetree to dump the AST of the generated proc. I'm 
sure you'll see the deep nesting of the nodes.

Regards,
Pit