Fixed with 3448c71030caf5ec9304 , tests needed
> On 24 Sep 2016, at 20:27, Zoffix Znet (via RT) <perl6-bugs-follo...@perl.org>
> wrote:
>
> # New Ticket Created by Zoffix Znet
> # Please include the string: [perl #129349]
> # in the subject line of all future correspondence about this issue.
> # <URL: https://rt.perl.org/Ticket/Display.html?id=129349 >
>
>
> <Zoffix> m: my %h; %h{ any ^2 }.push: 42
> <camelia> rakudo-moar e4e823: OUTPUT«Cannot assign to a readonly variable or
> a value in any at gen/moar/m-Metamodel.nqp line 3173 in block <unit> at
> <tmp> line 1»
