[perl #99734] [BUG] The order is wrong with some placeholder variables in Rakudo

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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<im2ee> rakudo: sub foo { say "$^a is $^b and $^c" }; foo "cake",
"tasty", "so on";
<p6eval> rakudo a979de: OUTPUT«cake is tasty and so on␤»
<masak> :)
<masak> rakudo: sub foo { say "$^c is $^a and $^b" }; foo "cake",
"tasty", "so on";
<p6eval> rakudo a979de: OUTPUT«tasty is cake and so on␤»
<masak> o.O
* masak submits rakudobug

I'd have expected that last one to come out as "so on is cake and
tasty". Hence the bulging eye.