Optimize TRANSPOSE(-ONE) a bit further
Optimize TRANSPOSE(-ONE) a bit further

At the moment, having a native str in a signature prevents the method
from being JITted.  So changed the sig to Str:D's instead, and get
about a 10% improvement in Str.subst(Str,Str).

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