Fix <-> $_ { } / -> $_ is rw { } pointy blocks.
Fix <-> $_ { } / -> $_ is rw { } pointy blocks.

We accidentally still emitted the code to bind an implicit $_ from the
outer scope, scribbling over the declared parameter $_.

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