[perl #124242] say() on self-recursive object invokes OOM killer

[Will Coleda via RT]

This now works:

$ ./perl6 rt124242.p6
Bug.new(myself => (my \Array_4544383328 = [Bug.new(myself => 
Array_4544383328)]))

Closeable with tests.
-- 
Will "Coke" Coleda