[perl #108508] [BUG] Array doesn't get numified

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my @a1=1,2,3,4; my @a2=@a1[2 ..^ @a1]; my @a3=@a2[1 ..^ @a2]
hangs the machine.
$ perl6 --version
This is perl6 version 2011.12-140-g0ac25d0 built on parrot 3.11.0 revision RELEASE_3_11_0

$ uname -a
Linux black 2.6.38-13-generic #53-Ubuntu SMP Mon Nov 28 19:33:45 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

Encountered that problem first with a code example from rosetta code:
http://rosettacode.org/wiki/Sorting_algorithms/Merge_sort#Perl_6

• [perl #108508] [BUG] Array doesn't get numified by trixium @ web . de