Issue #5031 has been reported by Lucas Florio.

----------------------------------------
Bug #5031: Enumerable#zip SEGFAULTs with a Range Object (Mac OS X 10.7 LION)
http://redmine.ruby-lang.org/issues/5031

Author: Lucas Florio
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 1.9.2
ruby -v: ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin11.0.0]


Tested on 1.9.2-head, 1.9.2-p0 and 1.9.2-p180. 

If I run this:
<code>
ruby -e '(0..255).zip(0..255)' 
</code>

I get this:

<pre>
-e:1: [BUG] Segmentation fault
ruby 1.9.2p290 (2011-07-09 revision 32478) [x86_64-darwin11.0.0]

-- control frame ----------
c:0007 p:---- s:0016 b:0016 l:000010 d:000010 CFUNC  :next
c:0006 p:---- s:0014 b:0014 l:000009 d:000013 IFUNC 
c:0005 p:---- s:0012 b:0012 l:000011 d:000011 CFUNC  :each
c:0004 p:---- s:0010 b:0010 l:000009 d:000009 CFUNC  :zip
c:0003 p:0014 s:0006 b:0006 l:000548 d:0025c8 EVAL   -e:1
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:000548 d:000548 TOP   
---------------------------
-- Ruby level backtrace information ----------------------------------------
-e:1:in `<main>'
-e:1:in `zip'
-e:1:in `each'
-e:1:in `next'

-- C level backtrace information -------------------------------------------

[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

[2]    16898 abort      ruby -e '(0..255).zip(0..255)'

</pre>

But if I do:

<code>
ruby -e '((0..255).to_a).zip(0..255)'
</code>

it works ok. 


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