[perl #61944] Rakudo stringifies some operands to X~X too early

[Carl Mäsak]

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<eric256> rakudo: my %test = (1 => <a b c>); my @word = <e f g>;
(%test{1} X~X @word).perl.say
<p6eval> rakudo 34889: OUTPUT«["a b ce", "a b cf", "a b cg"]␤»
<eric256> it appears to be stringifying <a b c> before crossing
it..any idea what i did wrong?
* masak submits rakudobug