[perl #126370] [BUG] hyper multidim subscript doesn't meet postcircumfix:<[; ]> API

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# New Ticket Created by  Larry Wall 
# Please include the string:  [perl #126370]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=126370 >


18:17 <TimToady> m: say [[2, [3,4]], [4, [5, 6]]]».[1]».[1]
18:17 <camelia> rakudo-moar 271e84: OUTPUT«(4 6)␤»
18:18 <TimToady> m: say [[2, [3,4]], [4, [5, 6]]]».[1;1]
18:18 <camelia> rakudo-moar 271e84: OUTPUT«Cannot call postcircumfix:<[;
]>(Array, Int, Int); none of these signatures match:␤    (\SELF,
                @indices)␤    (\SELF, @indices, :$exists!)␤    (\SELF,
@indices, :$delete!)␤    (\SELF, @indices, :$BIND! is rw)␤  in block
                <unit> at /tmp/09M2eEBp8Z:1…»

This might be related:

18:22 <TimToady> m: say [[2, [3,4]], [4, [5, 6]]].map: *.[1;1]
18:22 <camelia> rakudo-moar 271e84: OUTPUT«Earlier failures:␤ Index out of
range. Is: 1, should be in 0..0␤  in block <unit> at
                /tmp/s1pOCoXHdJ:1␤␤Final error:␤ Cannot call map(Array:
Failure); none of these signatures match:␤    (\SELF: &block;;
                :$label, :$item, *%_)␤    (HyperIterab…»