Issue #5003 has been updated by Kenta Murata. This is occurred by ruby-1.9.2p290 built with gcc-4.2 (non-llvm gcc) on Lion. $ gcc-4.2 -v Using built-in specs. Target: i686-apple-darwin11 Configured with: /private/var/tmp/gcc/gcc-5666.3~278/src/configure --disable-checking --enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin11 --program-prefix=i686-apple-darwin11- --host=x86_64-apple-darwin11 --target=i686-apple-darwin11 --with-gxx-include-dir=/include/c++/4.2.1 Thread model: posix gcc version 4.2.1 (Apple Inc. build 5666) (dot 3) $ ruby -rrbconfig -e 'p RbConfig::CONFIG["CC"]' "gcc-4.2" $ ruby -rrbconfig -e 'p RbConfig::CONFIG["optflags"]' "-O3 -mtune=core2 -march=core2" $ ruby -ve '(0..255).zip(0..255)' ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-darwin11.0.0] -e:1: [BUG] Segmentation fault ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-darwin11.0.0] -- control frame ---------- c:0007 p:---- s:0016 b:0016 l:001890 d:001890 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:001e68 d:0016f8 EVAL -e:1 c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH c:0001 p:0000 s:0002 b:0002 l:001e68 d:001e68 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 Abort trap: 6 ---------------------------------------- Bug #5003: Enumerator#next segfaults in OS X Lion (10.7) http://redmine.ruby-lang.org/issues/5003 Author: Ganesh Gunasegaran Status: Feedback Priority: Low Assignee: Category: Target version: ruby -v: - =begin ((*foo.rb (Test program)*)) puts RUBY_VERSION hash = {:name => "Ganesh", :age => 30} hash_iter = hash.to_enum p hash_iter.next p hash_iter.next Output on ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin11.0.0] ??? ruby foo.rb 1.9.2 [:name, "Ganesh"] [BUG] Segmentation fault ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin11.0.0] -- control frame ---------- c:0005 p:---- s:0009 b:0009 l:0016b0 d:000008 IFUNC c:0004 p:---- s:0007 b:0007 l:000006 d:000006 CFUNC :each c:0003 p:---- s:0005 b:0005 l:000004 d:000004 CFUNC :each c:0002 p:---- s:0003 b:0003 l:0016b0 d:000002 IFUNC c:0001 p:---- s:0001 b:-001 l:000000 d:000000 ------ --------------------------- -- Ruby level backtrace information ---------------------------------------- foo.rb:0:in `each' foo.rb:0:in `each' -- 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 Abort trap: 6 Same program runs fine on ruby 1.8.7 (2010-01-10 patchlevel 249) [universal-darwin11.0] ??? ruby foo.rb 1.8.7 [:age, 30] [:name, "Ganesh"] I have attached the crash report, let me know if you need another information. I haven't tried this in any lower version of Mac OS X or other operating systems. =end -- http://redmine.ruby-lang.org