precompilation tests for diamond releationship for RT #122773 hoelzro++.
precompilation tests for diamond releationship for RT #122773 hoelzro++.

Implemented using this hint from lizmat++ http://irclog.perlgeek.de/perl6/2014-09-23#i_9400516

b2gills/roast,niner/roast,zostay/roast,zostay/roast,dankogai/roast,niner/roast,niner/roast,skids/roast,cygx/roast,dogbert17/roast,cygx/roast,skids/roast,laben/roast,dankogai/roast,bitrauser/roast,b2gills/roast,cygx/roast,zostay/roast,laben/roast,laben/roast,bitrauser/roast,perl6/roast,dogbert17/roast,skids/roast,dankogai/roast,b2gills/roast