diff options
Diffstat (limited to 'compiler/GHC/Runtime/Heap/Inspect.hs')
| -rw-r--r-- | compiler/GHC/Runtime/Heap/Inspect.hs | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/compiler/GHC/Runtime/Heap/Inspect.hs b/compiler/GHC/Runtime/Heap/Inspect.hs index 3077c48aaf..debcc68f29 100644 --- a/compiler/GHC/Runtime/Heap/Inspect.hs +++ b/compiler/GHC/Runtime/Heap/Inspect.hs @@ -36,6 +36,7 @@ import GHCi.Message ( fromSerializableException ) import GHC.Core.DataCon import GHC.Core.Type import GHC.Types.RepType +import GHC.Core.Multiplicity import qualified GHC.Core.Unify as U import GHC.Types.Var import GHC.Tc.Utils.Monad @@ -760,9 +761,9 @@ cvObtainTerm hsc_env max_depth force old_ty hval = runTR hsc_env $ do traceTR (text "Following a MutVar") contents_tv <- newVar liftedTypeKind MASSERT(isUnliftedType my_ty) - (mutvar_ty,_) <- instScheme $ quantifyType $ mkVisFunTy + (mutvar_ty,_) <- instScheme $ quantifyType $ mkVisFunTyMany contents_ty (mkTyConApp tycon [world,contents_ty]) - addConstraint (mkVisFunTy contents_tv my_ty) mutvar_ty + addConstraint (mkVisFunTyMany contents_tv my_ty) mutvar_ty x <- go (pred max_depth) contents_tv contents_ty contents return (RefWrap my_ty x) @@ -1055,7 +1056,7 @@ getDataConArgTys dc con_app_ty ; (subst, _) <- instTyVars (univ_tvs ++ ex_tvs) ; addConstraint rep_con_app_ty (substTy subst (dataConOrigResTy dc)) -- See Note [Constructor arg types] - ; let con_arg_tys = substTys subst (dataConRepArgTys dc) + ; let con_arg_tys = substTys subst (map scaledThing $ dataConRepArgTys dc) ; traceTR (text "getDataConArgTys 2" <+> (ppr rep_con_app_ty $$ ppr con_arg_tys $$ ppr subst)) ; return con_arg_tys } where @@ -1263,11 +1264,12 @@ congruenceNewtypes lhs rhs = go lhs rhs >>= \rhs' -> return (lhs,rhs') ppr tv, equals, ppr ty_v] go ty_v r -- FunTy inductive case - | Just (l1,l2) <- splitFunTy_maybe l - , Just (r1,r2) <- splitFunTy_maybe r + | Just (Scaled w1 l1,l2) <- splitFunTy_maybe l + , Just (Scaled w2 r1,r2) <- splitFunTy_maybe r + , w1 `eqType` w2 = do r2' <- go l2 r2 r1' <- go l1 r1 - return (mkVisFunTy r1' r2') + return (mkVisFunTy w1 r1' r2') -- TyconApp Inductive case; this is the interesting bit. | Just (tycon_l, _) <- tcSplitTyConApp_maybe lhs , Just (tycon_r, _) <- tcSplitTyConApp_maybe rhs @@ -1333,7 +1335,7 @@ isMonomorphicOnNonPhantomArgs ty , tyv `notElem` phantom_vars] = all isMonomorphicOnNonPhantomArgs concrete_args | Just (ty1, ty2) <- splitFunTy_maybe ty - = all isMonomorphicOnNonPhantomArgs [ty1,ty2] + = all isMonomorphicOnNonPhantomArgs [scaledThing ty1,ty2] | otherwise = isMonomorphic ty tyConPhantomTyVars :: TyCon -> [TyVar] |