Stub Junction ~ Junction
Stub Junction ~ Junction

Without it, trying to interpolate more than one Junction into a
string (or more than one Junction in a List.join) infiniloops.
Now at least it dies with an NYI error.

usev6/rakudo,labster/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,rakudo/rakudo,awwaiid/rakudo,nbrown/rakudo,lucasbuchala/rakudo,softmoth/rakudo,raydiak/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,Gnouc/rakudo,labster/rakudo,softmoth/rakudo,rakudo/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,Gnouc/rakudo,nbrown/rakudo,usev6/rakudo,rakudo/rakudo,sjn/rakudo,Gnouc/rakudo,raydiak/rakudo,tbrowder/rakudo,nbrown/rakudo,usev6/rakudo,labster/rakudo,lucasbuchala/rakudo,sjn/rakudo,jonathanstowe/rakudo,tbrowder/rakudo,tony-o/rakudo,awwaiid/rakudo,raydiak/rakudo,tbrowder/rakudo,jonathanstowe/rakudo,labster/rakudo,salortiz/rakudo,sjn/rakudo,softmoth/rakudo,usev6/rakudo,MasterDuke17/rakudo,usev6/rakudo,softmoth/rakudo,sjn/rakudo,tony-o/rakudo,awwaiid/rakudo,tbrowder/rakudo,awwaiid/rakudo,rakudo/rakudo,nbrown/rakudo,salortiz/rakudo,tony-o/rakudo,sjn/rakudo,jonathanstowe/rakudo,tony-o/rakudo,MasterDuke17/rakudo,salortiz/rakudo,tbrowder/rakudo,nbrown/rakudo,awwaiid/rakudo,rakudo/rakudo,salortiz/rakudo,lucasbuchala/rakudo,jonathanstowe/rakudo,softmoth/rakudo,Gnouc/rakudo,nbrown/rakudo,MasterDuke17/rakudo,labster/rakudo,salortiz/rakudo,rakudo/rakudo,labster/rakudo,jonathanstowe/rakudo,raydiak/rakudo,tony-o/rakudo,lucasbuchala/rakudo,salortiz/rakudo,tony-o/rakudo