Improve error output when we have a junction of types.
Improve error output when we have a junction of types.

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