[MacRuby] #1447: Crash - Assertion failed in RoxorVM::pop_current_exception

[MacRuby]

#1447: Crash - Assertion failed in RoxorVM::pop_current_exception
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 Reporter:  msabramo@…          |       Owner:  lsansonetti@…        
     Type:  defect              |      Status:  new                  
 Priority:  major               |   Milestone:                       
Component:  MacRuby             |    Keywords:  crash, GCD           
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Comment(by msabramo@…):

 Here's the output with `ROXOR_VM_DEBUG` and `ROXOR_VM_DEBUG_CONST`
 #defined:

 {{{
 $ ~/dev/git-repos/MacRuby/macruby test4.rb
 ...
 resolving -[NilClass []]
 resolving -[NilClass []]
 resolving -[NilClass []:]
 resolving -[NoMethodError to_str]
 vm.cpp:1303:rb_vm_const_lookup_level:outer(NSObject) path(Exception)
 lexical(true) defined(false) outer_stack(0x0)
 rb_vm_const_lookup_level:1307:vm->get_outer_stack outer_stack()
 rb_vm_const_lookup_level:1310:vm->get_current_outer outer_stack()
 resolving -[TopLevel NSLog:]
 resolving -[TopLevel NSLog:]
 resolving -[TopLevel NSLog:]
 gen Ruby -> C stub with types v@
 resolving -[NoMethodError length]
 resolving -[NoMethodError length]
 RoxorVM::pop_current_exception (vm.cpp:3607) - Warning: Assertion about to
 fail: ((size_t)pos < current_exceptions.size()); pos = 1;
 current_exceptions.size() = 1
 current_exceptions[1]: "#<NoMethodError: undefined method `[]' for
 nil:NilClass>"
 Assertion failed: ((size_t)pos < current_exceptions.size()), function
 pop_current_exception, file vm.cpp, line 3616.
 Abort trap
 }}}

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Ticket URL: <http://www.macruby.org/trac/ticket/1447#comment:5>
MacRuby <http://macruby.org/>