[perl #120506] expected 'Array[Bool]' but got 'Array[Bool]'

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# New Ticket Created by  Langdon Holly 
# Please include the string:  [perl #120506]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=120506 >


$ perl6
> Array[Array[Bool]].new($(Array[Bool].new))
Type check failed in .new; expected 'Array[Bool]' but got 'Array[Bool]'
  in block  at src/gen/CORE.setting:8188
  in method reify at src/gen/CORE.setting:7135
  in method reify at src/gen/CORE.setting:7030
  in method gimme at src/gen/CORE.setting:7458
  in method eager at src/gen/CORE.setting:7430
  in block  at src/gen/CORE.setting:8183

$ perl6 -v
This is perl6 version 2013.10 built on parrot 5.9.0 revision 0

Either it should let me do that, or at least say something sensical.