[perl #121533] [MoarVM] macro test failure, building an AST incrementally in a for loop

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# New Ticket Created by  Moritz Lenz 
# Please include the string:  [perl #121533]
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# <URL: https://rt.perl.org/Ticket/Display.html?id=121533 >


This test from S06-macro/unouoting.t fails on raudo-moar, but passes on
the other two backends:

{ # building an AST incrementally in a for loop
    macro podolsky() {
        my $q = quasi { 2 };
        $q = quasi { 1 + {{{$q}}} } for ^2;
        $q;
    }

    is podolsky(), 4, "can build ASTs in a for loop";
}

It dies at compile time with

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