Be more careful about preserving the values of Junctions
Be more careful about preserving the values of Junctions

This allows autoviv to work in things like:

    my @a := [1,2]; @a[1|2] //= 3; say @a

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