From: Manuel M T Chakravarty Date: Fri, 7 Sep 2007 09:22:17 +0000 (+0000) Subject: FIX: Type families test Simple14 X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=e062d977204e0aa21f391f8ee23b8a941e041583 FIX: Type families test Simple14 --- diff --git a/compiler/typecheck/TcHsType.lhs b/compiler/typecheck/TcHsType.lhs index 98b6127..dabd17f 100644 --- a/compiler/typecheck/TcHsType.lhs +++ b/compiler/typecheck/TcHsType.lhs @@ -341,8 +341,12 @@ kc_hs_type ty@(HsAppTy ty1 ty2) split (L _ (HsAppTy f a)) as = split f (a:as) split f as = (f,as) mk_app fun arg = HsAppTy (noLoc fun) arg -- Add noLocs for inner nodes of - -- the application; they are never used - + -- the application; they are + -- never used + +kc_hs_type ty@(HsPredTy (HsEqualP _ _)) + = wrongEqualityErr + kc_hs_type (HsPredTy pred) = kcHsPred pred `thenM` \ pred' -> returnM (HsPredTy pred', liftedTypeKind) @@ -856,5 +860,8 @@ dupInScope n n' ty = hang (ptext SLIT("The scoped type variables") <+> quotes (ppr n) <+> ptext SLIT("and") <+> quotes (ppr n')) 2 (vcat [ptext SLIT("are bound to the same type (variable)"), ptext SLIT("Distinct scoped type variables must be distinct")]) + +wrongEqualityErr + = failWithTc (text "Equality predicate used as a type") \end{code}