[perl #67278] non-awesome error message on 'class NewClass does OldClass'

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# New Ticket Created by  Moritz Lenz 
# Please include the string:  [perl #67278]
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# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=67278 >


08:53 <@moritz_> rakudo: class A { }; class B does A { }; say "alive"
08:53 < p6eval> rakudo 99ad1e: OUTPUT«Method '!select' not found for
invocant of class ''␤»

I think abusing a class as a role is forbidden, but the error message
could be more awesome.

Cheers,
Moritz