Ruby exceptions aren't catched when calling at_exit block

[eloy.de.enige@…]

As can be seen with the following example:

macruby -e "at_exit { raise 'Ohnoesmacruby t.rb' }; require 'doesnotexist'"

Which results in:

-e:in `<main>': no such file to load -- doesnotexist (LoadError)
2010-01-13 19:15:33.551 macruby[34637:903] *** Terminating app due to uncaught exception 'RuntimeError', reason: 'Ohnoesmacruby t.rb'
*** Call stack at first throw:
(
	0   CoreFoundation                      0x00007fff86bb05a4 __exceptionPreprocess + 180
	1   libobjc.A.dylib                     0x00007fff81558313 objc_exception_throw + 45
	2   libmacruby.dylib                    0x00000001001813fb rb_vm_raise + 443
	3   libmacruby.dylib                    0x0000000100041bfb rb_f_raise + 43
	4   libmacruby.dylib                    0x000000010016d977 rb_vm_dispatch + 6647
	5   ???                                 0x00000001011101a1 0x0 + 4312859041
	6   libmacruby.dylib                    0x0000000100040e25 ruby_finalize + 69
	7   libmacruby.dylib                    0x00000001000a7810 rb_exit + 16
	8   macruby                             0x0000000100000df6 main + 182
	9   macruby                             0x0000000100000d34 start + 52
)
terminate called after throwing an instance of 'NSException'

[lsansonetti@…]

Should be fixed by r3293