[MacRuby] #860: Assertion fails in pop_current_exception when catch/throw used in rescue

[MacRuby]

#860: Assertion fails in pop_current_exception when catch/throw used in rescue
----------------------------------+-----------------------------------------
 Reporter:  watson1978@…          |       Owner:  lsansonetti@…        
     Type:  defect                |      Status:  new                  
 Priority:  blocker               |   Milestone:                       
Component:  MacRuby               |    Keywords:                       
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Description changed by lsansonetti@…:

Old description:

> {{{
> #!ruby
> $ cat test_catch_throw.rb
> begin
>   raise
> rescue
>   catch(:ambiguous) { throw :ambiguous }
>   p :ok
> end
> }}}
>
> Result of Ruby 1.9.1:
> {{{
> $ ruby test_catch_throw.rb
> :ok
> }}}
>
> Result of MacRuby Trunk:
> {{{
> $ macruby test_catch_throw.rb
> Assertion failed: ((size_t)pos < current_exceptions.size()), function
> pop_current_exception, file vm.cpp, line 3343.
> zsh: abort      macruby test_opt.rb
> }}}+

New description:

 {{{
 #!ruby
 $ cat test_catch_throw.rb
 begin
   raise
 rescue
   catch(:ambiguous) { throw :ambiguous }
   p :ok
 end
 }}}

 Result of Ruby 1.9.1:
 {{{
 $ ruby test_catch_throw.rb
 :ok
 }}}

 Result of MacRuby Trunk:
 {{{
 $ macruby test_catch_throw.rb
 Assertion failed: ((size_t)pos < current_exceptions.size()), function
 pop_current_exception, file vm.cpp, line 3343.
 zsh: abort      macruby test_opt.rb
 }}}+

 Original report (involving optparse) which was deleted:

 {{{
 $ cat test_opt.rb
 require 'optparse'

 opt = OptionParser.new
 flag = self.class

 opt.def_option("--open") {|x|}
 opt.def_option("-x") {|x| flag = x}
 opt.def_option("--option") {|x| flag = x}

 begin
   opt.parse!(%w"--op")
 rescue => e
   p e
 end

 begin
   opt.parse!(%w"-o")
 rescue => e
   p e
 end
 }}}

 Result of Ruby 1.9.1:
 {{{
 $ ruby test_opt.rb
 #<OptionParser::AmbiguousOption: --op>
 #<OptionParser::AmbiguousOption: -o>
 }}}

 Result of MacRuby Trunk:
 {{{
 $ macruby test_opt.rb
 #<OptionParser::AmbiguousOption: --op>
 Assertion failed: ((size_t)pos < current_exceptions.size()), function
 pop_current_exception, file vm.cpp, line 3343.
 zsh: abort      macruby test_opt.rb
 }}}

--

-- 
Ticket URL: <http://www.macruby.org/trac/ticket/860#comment:6>
MacRuby <http://macruby.org/>