[perl #70888] [BUG] Null PMC access when assigning the result of a for loop to an array and doing .WHAT on its first element in Rakudo

[Carl Mäsak]

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<masak> rakudo: my @a = 1, 2, 3; my @b = (@a.shift for ^3); @b[0].WHAT
<p6eval> rakudo 7347ec: Null PMC access in find_method('WHAT') [...]
* masak submits rakudobug