Prevent segfault on "000" ... "077"
Prevent segfault on "000" ... "077"

This apparently uses X~ underneath, and that caused a segfault if
the result buffer wasn't cloned before applying the op.

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