<masak> ooh, I found another one!
<masak> rakudo: regex foo { foo }; "foofoofoo" ~~ /<foo>+/;
bar($<foo>); sub bar(@foos) {}
<p6eval> rakudo 5351a3: OUTPUT«Parameter type check failed; expected
Positional, but got List for @foos in call to bar
* masak submits rakudobug