ruby-1.9.2-p0 > def a_method; end => nil ruby-1.9.2-p0 > a = method(:a_method).to_proc => # ruby-1.9.2-p0 > instance_exec &a (irb):6: [BUG] vm_get_cref: unreachable ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.4.0] -- control frame ---------- c:0024 p:---- s:0085 b:0085 l:000084 d:000084 CFUNC :instance_exec c:0023 p:0012 s:0082 b:0082 l:001dc8 d:000081 EVAL (irb):6 c:0022 p:---- s:0080 b:0080 l:000079 d:000079 FINISH c:0021 p:---- s:0078 b:0078 l:000077 d:000077 CFUNC :eval c:0020 p:0028 s:0071 b:0071 l:000070 d:000070 METHOD /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/workspace.rb:80 c:0019 p:0033 s:0064 b:0063 l:000062 d:000062 METHOD /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/context.rb:254 c:0018 p:0031 s:0058 b:0058 l:000b68 d:000057 BLOCK /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:159 c:0017 p:0042 s:0050 b:0050 l:000049 d:000049 METHOD /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:273 c:0016 p:0011 s:0045 b:0045 l:000b68 d:000044 BLOCK /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:156 c:0015 p:0144 s:0041 b:0041 l:000024 d:000040 BLOCK /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/ruby-lex.rb:243 c:0014 p:---- s:0038 b:0038 l:000037 d:000037 FINISH c:0013 p:---- s:0036 b:0036 l:000035 d:000035 CFUNC :loop c:0012 p:0009 s:0033 b:0033 l:000024 d:000032 BLOCK /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/ruby-lex.rb:229 c:0011 p:---- s:0031 b:0031 l:000030 d:000030 FINISH c:0010 p:---- s:0029 b:0029 l:000028 d:000028 CFUNC :catch c:0009 p:0023 s:0025 b:0025 l:000024 d:000024 METHOD /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/ruby-lex.rb:228 c:0008 p:0046 s:0022 b:0022 l:000b68 d:000b68 METHOD /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:155 c:0007 p:0011 s:0019 b:0019 l:000f98 d:000018 BLOCK /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:70 c:0006 p:---- s:0017 b:0017 l:000016 d:000016 FINISH c:0005 p:---- s:0015 b:0015 l:000014 d:000014 CFUNC :catch c:0004 p:0183 s:0011 b:0011 l:000f98 d:000f98 METHOD /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:69 c:0003 p:0177 s:0006 b:0006 l:0015a8 d:000838 EVAL /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/bin/irb:17 c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH c:0001 p:0000 s:0002 b:0002 l:0015a8 d:0015a8 TOP --------------------------- -- Ruby level backtrace information ---------------------------------------- /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/bin/irb:17:in `
' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:69:in `start' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:69:in `catch' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:70:in `block in start' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:155:in `eval_input' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/ruby-lex.rb:228:in `each_top_level_statement' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/ruby-lex.rb:228:in `catch' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in `block in each_top_level_statement' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in `loop' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/ruby-lex.rb:243:in `block (2 levels) in each_top_level_statement' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:156:in `block in eval_input' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:273:in `signal_status' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb.rb:159:in `block (2 levels) in eval_input' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/context.rb:254:in `evaluate' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/workspace.rb:80:in `evaluate' /Users/Lori/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/irb/workspace.rb:80:in `eval' (irb):6:in `irb_binding' (irb):6:in `instance_exec' -- C level backtrace information ------------------------------------------- 0 libruby.1.9.1.dylib 0x000000010018b9d2 rb_vm_bugreport + 210 1 libruby.1.9.1.dylib 0x0000000100045d04 report_bug + 372 2 libruby.1.9.1.dylib 0x0000000100045ec8 rb_bug + 200 3 libruby.1.9.1.dylib 0x000000010016fb5b vm_cref_push + 331 4 libruby.1.9.1.dylib 0x000000010018905b yield_under + 139 5 libruby.1.9.1.dylib 0x0000000100171487 vm_call_method + 983 6 libruby.1.9.1.dylib 0x0000000100174215 vm_exec_core + 8293 7 libruby.1.9.1.dylib 0x000000010017be53 vm_exec + 1507 8 libruby.1.9.1.dylib 0x000000010017c67e eval_string_with_cref + 878 9 libruby.1.9.1.dylib 0x000000010017cda2 rb_f_eval + 242 10 libruby.1.9.1.dylib 0x0000000100171487 vm_call_method + 983 11 libruby.1.9.1.dylib 0x0000000100174215 vm_exec_core + 8293 12 libruby.1.9.1.dylib 0x000000010017be53 vm_exec + 1507 13 libruby.1.9.1.dylib 0x0000000100188ec1 loop_i + 545 14 libruby.1.9.1.dylib 0x000000010004ae67 rb_rescue2 + 519 15 libruby.1.9.1.dylib 0x000000010016dc46 rb_f_loop + 54 16 libruby.1.9.1.dylib 0x0000000100171487 vm_call_method + 983 17 libruby.1.9.1.dylib 0x0000000100174215 vm_exec_core + 8293 18 libruby.1.9.1.dylib 0x000000010017be53 vm_exec + 1507 19 libruby.1.9.1.dylib 0x00000001001899e1 catch_i + 577 20 libruby.1.9.1.dylib 0x000000010016d0d5 rb_catch_obj + 325 21 libruby.1.9.1.dylib 0x000000010016db00 rb_f_catch + 48 22 libruby.1.9.1.dylib 0x0000000100171487 vm_call_method + 983 23 libruby.1.9.1.dylib 0x0000000100174215 vm_exec_core + 8293 24 libruby.1.9.1.dylib 0x000000010017be53 vm_exec + 1507 25 libruby.1.9.1.dylib 0x00000001001899e1 catch_i + 577 26 libruby.1.9.1.dylib 0x000000010016d0d5 rb_catch_obj + 325 27 libruby.1.9.1.dylib 0x000000010016db00 rb_f_catch + 48 28 libruby.1.9.1.dylib 0x0000000100171487 vm_call_method + 983 29 libruby.1.9.1.dylib 0x0000000100174215 vm_exec_core + 8293 30 libruby.1.9.1.dylib 0x000000010017be53 vm_exec + 1507 31 libruby.1.9.1.dylib 0x000000010017c158 rb_iseq_eval_main + 504 32 libruby.1.9.1.dylib 0x000000010004b0d2 ruby_exec_internal + 178 33 libruby.1.9.1.dylib 0x000000010004da5c ruby_run_node + 60 34 ruby 0x0000000100000ecf main + 79 35 ruby 0x0000000100000e74 start + 52 [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