[perl #115506] [BUG] Bad failure mode when macro returns AST.new in Rakudo

[Carl Mäsak via RT]

On Sat Oct 27 10:45:32 2012, masak wrote:
> <diakopter> r: macro marco { AST.new }; marco
> <p6eval> rakudo 6859fb: OUTPUT«===SORRY!===␤Error while compiling
> block : Error while compiling op call: Error while compiling block :
> Error while compiling block : Unknown QAST node type Any␤»
> <diakopter> :>
> <masak> diakopter: fair point.
> * masak submits rakudobug

Fixed as of 026880:

$ nom -e 'macro pathological { AST.new }; pathological(); say "alive"'
alive

Tagging testneeded.