[perl #66996] [BUG] Null PMC access when Rakudo tries to parse :colonpair[] with empty list

[Patrick R. Michaud via RT]

On Fri Jun 26 07:56:40 2009, masak wrote:
> <masak> rakudo: my $a = :x[]
> <p6eval> rakudo 6c43f9: OUTPUT«Null PMC access in find_method() [...]
> * masak submits rakuodbug
> <masak> rakudo: :x[]
> <p6eval> rakudo 6c43f9: OUTPUT«Null PMC access in find_method() [...]


What should $a contain in the above case?  I.e., what's the
expected/desired value of $a.perl ?

Pm