diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/GHC/Core/Opt/WorkWrap/Utils.hs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/GHC/Core/Opt/WorkWrap/Utils.hs b/compiler/GHC/Core/Opt/WorkWrap/Utils.hs index df3608fe7d..38c103d866 100644 --- a/compiler/GHC/Core/Opt/WorkWrap/Utils.hs +++ b/compiler/GHC/Core/Opt/WorkWrap/Utils.hs @@ -1333,6 +1333,8 @@ isRecDataCon fam_envs fuel dc go_arg_ty :: IntWithInf -> RecTcChecker -> Type -> IsRecDataConResult go_arg_ty fuel rec_tc ty + --- | pprTrace "arg_ty" (ppr ty) False = undefined + | Just (_, _arg_ty, _res_ty) <- splitFunTy_maybe ty -- = go_arg_ty fuel rec_tc _arg_ty <||> go_arg_ty fuel rec_tc _res_ty -- Plausible, but unnecessary for CPR. @@ -1382,7 +1384,7 @@ isRecDataCon fam_envs fuel dc -- we expanded this TyCon once already, no need to test it multiple times Just rec_tc' - | Just (_tvs, rhs, _co) <- unwrapNewTyConEtad_maybe tc + | Just (_tvs, rhs, _co) <- unwrapNewTyCon_maybe tc -- See Note [Detecting recursive data constructors], points (2) and (3) -> go_arg_ty fuel rec_tc' rhs |