Fix normalisation of TyCon representations
Fix normalisation of TyCon representations

Test Plan: run tests on powerpc and x86_64

Reviewers: hvr, austin, thomie, bgamari

Reviewed By: thomie, bgamari

Subscribers: thomie

Differential Revision: https://phabricator.haskell.org/D1694

mettekou/ghc,mcschroeder/ghc,tjakway/ghcjvm,GaloisInc/halvm-ghc,sgillespie/ghc,vikraman/ghc,vTurbine/ghc,shlevy/ghc,gridaphobe/ghc,tjakway/ghcjvm,nushio3/ghc,shlevy/ghc,sdiehl/ghc,sdiehl/ghc,snoyberg/ghc,mcschroeder/ghc,nushio3/ghc,tjakway/ghcjvm,sgillespie/ghc,shlevy/ghc,mettekou/ghc,tjakway/ghcjvm,snoyberg/ghc,sdiehl/ghc,vikraman/ghc,vTurbine/ghc,nushio3/ghc,oldmanmike/ghc,vikraman/ghc,vikraman/ghc,mettekou/ghc,sdiehl/ghc,olsner/ghc,tjakway/ghcjvm,nushio3/ghc,sgillespie/ghc,mettekou/ghc,GaloisInc/halvm-ghc,shlevy/ghc,snoyberg/ghc,mcschroeder/ghc,shlevy/ghc,gridaphobe/ghc,mettekou/ghc,sgillespie/ghc,shlevy/ghc,vikraman/ghc,mcschroeder/ghc,vTurbine/ghc,vTurbine/ghc,oldmanmike/ghc,vikraman/ghc,ezyang/ghc,snoyberg/ghc,mcschroeder/ghc,oldmanmike/ghc,vTurbine/ghc,snoyberg/ghc,GaloisInc/halvm-ghc,vTurbine/ghc,sgillespie/ghc,nushio3/ghc,sgillespie/ghc,nushio3/ghc,ezyang/ghc,oldmanmike/ghc,ezyang/ghc,mettekou/ghc,GaloisInc/halvm-ghc,sdiehl/ghc,mettekou/ghc,oldmanmike/ghc,vTurbine/ghc,snoyberg/ghc,mcschroeder/ghc,olsner/ghc,GaloisInc/halvm-ghc,mcschroeder/ghc,sdiehl/ghc,gridaphobe/ghc,gridaphobe/ghc,vikraman/ghc,gridaphobe/ghc,olsner/ghc,nushio3/ghc,shlevy/ghc,gridaphobe/ghc,oldmanmike/ghc,GaloisInc/halvm-ghc,oldmanmike/ghc,olsner/ghc,sdiehl/ghc,olsner/ghc,tjakway/ghcjvm,snoyberg/ghc,tjakway/ghcjvm,ezyang/ghc,olsner/ghc,gridaphobe/ghc,ezyang/ghc,olsner/ghc,sgillespie/ghc,ezyang/ghc,ezyang/ghc,GaloisInc/halvm-ghc