From: "Michael José" <sexymimi64@...>
Date: 2011-07-14T21:44:06+09:00
Subject: Re: [Ruby/C] Very little piece of code driving me crazy

It crashes when trying to access RSTRING(VALUE)->as.heap.ptr.

Here is what Ruby outputs during the crash :

<main>: [BUG] Segmentation fault
ruby 1.9.2p0 (2010-08-18 revision 29036) [i686-linux]

-- control frame ----------
c:0001 p:0000 s:0002 b:0002 l:000d24 d:000d24 TOP
---------------------------

-- C level backtrace information 
-------------------------------------------
/usr/lib/libruby-1.9.1.so.1.9(rb_vm_bugreport+0x72) [0x5bedf2]
/usr/lib/libruby-1.9.1.so.1.9(+0x4d38f) [0x4b838f]
/usr/lib/libruby-1.9.1.so.1.9(rb_bug+0x3a) [0x4b842a]
/usr/lib/libruby-1.9.1.so.1.9(+0xeda34) [0x558a34]
[0x90740c]
./a.out() [0x8048961]
/lib/libc.so.6(__libc_start_main+0xe7) [0x126ce7]
./a.out() [0x8048771]

[NOTE]
You may have encountered a bug in the Ruby interpreter or extension 
libraries.
Bug reports are welcome.
For details: http://www.ruby-lang.org/bugreport.html


I tried using class2name and obj_classname: both of them work fine.

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