Collect rw-ness info for multi-dispatcher to use.
Collect rw-ness info for multi-dispatcher to use.

No semantic changes yet.

labster/rakudo,MasterDuke17/rakudo,nbrown/rakudo,nbrown/rakudo,zostay/rakudo,azawawi/rakudo,raydiak/rakudo,rakudo/rakudo,tbrowder/rakudo,softmoth/rakudo,cygx/rakudo,paultcochrane/rakudo,tbrowder/rakudo,cygx/rakudo,samcv/rakudo,ugexe/rakudo,raydiak/rakudo,zostay/rakudo,azawawi/rakudo,labster/rakudo,cognominal/rakudo,tbrowder/rakudo,tony-o/rakudo,b2gills/rakudo,Gnouc/rakudo,lucasbuchala/rakudo,lucasbuchala/rakudo,b2gills/rakudo,sjn/rakudo,ugexe/rakudo,usev6/rakudo,jonathanstowe/rakudo,ab5tract/rakudo,MasterDuke17/rakudo,rakudo/rakudo,LLFourn/rakudo,cygx/rakudo,dankogai/rakudo,LLFourn/rakudo,lucasbuchala/rakudo,tony-o/rakudo,b2gills/rakudo,Gnouc/rakudo,raydiak/rakudo,sjn/rakudo,awwaiid/rakudo,tbrowder/rakudo,tony-o/rakudo,softmoth/rakudo,awwaiid/rakudo,Gnouc/rakudo,ugexe/rakudo,cognominal/rakudo,azawawi/rakudo,salortiz/rakudo,Gnouc/rakudo,awwaiid/rakudo,nbrown/rakudo,ungrim97/rakudo,salortiz/rakudo,cognominal/rakudo,salortiz/rakudo,sjn/rakudo,raydiak/rakudo,Gnouc/rakudo,awwaiid/rakudo,jonathanstowe/rakudo,salortiz/rakudo,Gnouc/rakudo,tbrowder/rakudo,lucasbuchala/rakudo,jonathanstowe/rakudo,MasterDuke17/rakudo,skids/rakudo,samcv/rakudo,skids/rakudo,LLFourn/rakudo,paultcochrane/rakudo,MasterDuke17/rakudo,usev6/rakudo,ungrim97/rakudo,dankogai/rakudo,paultcochrane/rakudo,ab5tract/rakudo,b2gills/rakudo,ab5tract/rakudo,softmoth/rakudo,ab5tract/rakudo,usev6/rakudo,sjn/rakudo,usev6/rakudo,tbrowder/rakudo,LLFourn/rakudo,jonathanstowe/rakudo,rakudo/rakudo,salortiz/rakudo,dankogai/rakudo,skids/rakudo,cygx/rakudo,labster/rakudo,nbrown/rakudo,samcv/rakudo,awwaiid/rakudo,zostay/rakudo,ungrim97/rakudo,jonathanstowe/rakudo,dankogai/rakudo,ugexe/rakudo,tony-o/rakudo,paultcochrane/rakudo,rakudo/rakudo,paultcochrane/rakudo,salortiz/rakudo,tony-o/rakudo,nbrown/rakudo,softmoth/rakudo,LLFourn/rakudo,cygx/rakudo,skids/rakudo,rakudo/rakudo,tony-o/rakudo,labster/rakudo,samcv/rakudo,MasterDuke17/rakudo,ugexe/rakudo,samcv/rakudo,softmoth/rakudo,zostay/rakudo,cognominal/rakudo,skids/rakudo,labster/rakudo,azawawi/rakudo,lucasbuchala/rakudo,labster/rakudo,ungrim97/rakudo,dankogai/rakudo,usev6/rakudo,nbrown/rakudo,rakudo/rakudo,cognominal/rakudo,sjn/rakudo,ungrim97/rakudo,ab5tract/rakudo,MasterDuke17/rakudo,b2gills/rakudo,azawawi/rakudo