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-rw-r--r--compiler/GHC/Tc/Module.hs7
1 files changed, 4 insertions, 3 deletions
diff --git a/compiler/GHC/Tc/Module.hs b/compiler/GHC/Tc/Module.hs
index f6e5b87f53..5ef192befe 100644
--- a/compiler/GHC/Tc/Module.hs
+++ b/compiler/GHC/Tc/Module.hs
@@ -1274,7 +1274,7 @@ checkBootTyCon is_boot tc1 tc2
check (map flSelector (dataConFieldLabels c1) == map flSelector (dataConFieldLabels c2))
(text "The record label lists for" <+> pname1 <+>
text "differ") `andThenCheck`
- check (eqType (dataConUserType c1) (dataConUserType c2))
+ check (eqType (dataConWrapperType c1) (dataConWrapperType c2))
(text "The types for" <+> pname1 <+> text "differ")
where
name1 = dataConName c1
@@ -2446,7 +2446,7 @@ getGhciStepIO = do
{ hst_tele = mkHsForAllInvisTele
[noLoc $ UserTyVar noExtField SpecifiedSpec (noLoc a_tv)]
, hst_xforall = noExtField
- , hst_body = nlHsFunTy ghciM ioM }
+ , hst_body = nlHsFunTy HsUnrestrictedArrow ghciM ioM }
stepTy :: LHsSigWcType GhcRn
stepTy = mkEmptyWildCardBndrs (mkEmptyImplicitBndrs step_ty)
@@ -2965,7 +2965,8 @@ ppr_datacons debug type_env
= ppr_things "DATA CONSTRUCTORS" ppr_dc wanted_dcs
-- The filter gets rid of class data constructors
where
- ppr_dc dc = ppr dc <+> dcolon <+> ppr (dataConUserType dc)
+ ppr_dc dc = sdocWithDynFlags (\dflags ->
+ ppr dc <+> dcolon <+> ppr (dataConDisplayType dflags dc))
all_dcs = typeEnvDataCons type_env
wanted_dcs | debug = all_dcs
| otherwise = filterOut is_cls_dc all_dcs