fix .subbuf when overlapping the end
fix .subbuf when overlapping the end

samcv/rakudo,Leont/rakudo,sergot/rakudo,azawawi/rakudo,cygx/rakudo,azawawi/rakudo,niner/rakudo,zhuomingliang/rakudo,tony-o/rakudo,laben/rakudo,ugexe/rakudo,ab5tract/rakudo,sergot/rakudo,jonathanstowe/rakudo,awwaiid/rakudo,softmoth/rakudo,cygx/rakudo,tbrowder/rakudo,Gnouc/rakudo,jonathanstowe/rakudo,samcv/rakudo,paultcochrane/rakudo,cognominal/rakudo,cygx/rakudo,nbrown/rakudo,skids/rakudo,LLFourn/rakudo,sjn/rakudo,salortiz/rakudo,samcv/rakudo,Gnouc/rakudo,teodozjan/rakudo,rakudo/rakudo,nunorc/rakudo,LLFourn/rakudo,b2gills/rakudo,teodozjan/rakudo,zhuomingliang/rakudo,lucasbuchala/rakudo,laben/rakudo,Gnouc/rakudo,tony-o/deb-rakudodaily,skids/rakudo,laben/rakudo,awwaiid/rakudo,cognominal/rakudo,jonathanstowe/rakudo,raydiak/rakudo,usev6/rakudo,ugexe/rakudo,cognominal/rakudo,cygx/rakudo,niner/rakudo,tony-o/rakudo,nunorc/rakudo,awwaiid/rakudo,b2gills/rakudo,awwaiid/rakudo,raydiak/rakudo,MasterDuke17/rakudo,b2gills/rakudo,jonathanstowe/rakudo,rakudo/rakudo,softmoth/rakudo,ungrim97/rakudo,salortiz/rakudo,samcv/rakudo,ab5tract/rakudo,MasterDuke17/rakudo,zostay/rakudo,usev6/rakudo,ungrim97/rakudo,ungrim97/rakudo,skids/rakudo,nunorc/rakudo,nunorc/rakudo,laben/rakudo,nbrown/rakudo,MasterDuke17/rakudo,labster/rakudo,zostay/rakudo,ugexe/rakudo,paultcochrane/rakudo,tbrowder/rakudo,LLFourn/rakudo,lucasbuchala/rakudo,tony-o/rakudo,tony-o/rakudo,paultcochrane/rakudo,azawawi/rakudo,awwaiid/rakudo,salortiz/rakudo,tbrowder/rakudo,ab5tract/rakudo,cognominal/rakudo,labster/rakudo,tony-o/deb-rakudodaily,Leont/rakudo,lucasbuchala/rakudo,skids/rakudo,sjn/rakudo,rakudo/rakudo,usev6/rakudo,jonathanstowe/rakudo,rakudo/rakudo,softmoth/rakudo,sjn/rakudo,lucasbuchala/rakudo,salortiz/rakudo,lucasbuchala/rakudo,nbrown/rakudo,ab5tract/rakudo,rakudo/rakudo,paultcochrane/rakudo,ugexe/rakudo,cygx/rakudo,dankogai/rakudo,dankogai/rakudo,Gnouc/rakudo,Leont/rakudo,samcv/rakudo,Gnouc/rakudo,ungrim97/rakudo,tony-o/deb-rakudodaily,retupmoca/rakudo,tony-o/deb-rakudodaily,tony-o/deb-rakudodaily,softmoth/rakudo,rakudo/rakudo,salortiz/rakudo,retupmoca/rakudo,sergot/rakudo,zhuomingliang/rakudo,nbrown/rakudo,niner/rakudo,tony-o/deb-rakudodaily,LLFourn/rakudo,niner/rakudo,skids/rakudo,b2gills/rakudo,MasterDuke17/rakudo,labster/rakudo,retupmoca/rakudo,sjn/rakudo,b2gills/rakudo,tony-o/deb-rakudodaily,Leont/rakudo,nbrown/rakudo,dankogai/rakudo,labster/rakudo,ungrim97/rakudo,usev6/rakudo,azawawi/rakudo,paultcochrane/rakudo,zhuomingliang/rakudo,cognominal/rakudo,ab5tract/rakudo,tbrowder/rakudo,tony-o/rakudo,zostay/rakudo,raydiak/rakudo,tony-o/rakudo,teodozjan/rakudo,dankogai/rakudo,labster/rakudo,tbrowder/rakudo,salortiz/rakudo,teodozjan/rakudo,softmoth/rakudo,usev6/rakudo,labster/rakudo,LLFourn/rakudo,tbrowder/rakudo,retupmoca/rakudo,dankogai/rakudo,sergot/rakudo,azawawi/rakudo,MasterDuke17/rakudo,ugexe/rakudo,zostay/rakudo,Gnouc/rakudo,raydiak/rakudo,MasterDuke17/rakudo,nbrown/rakudo,sjn/rakudo