From ee62a1b6847e42f76383b2e70003f2feb9e8435c Mon Sep 17 00:00:00 2001 From: Simon Peyton Jones Date: Fri, 6 May 2011 15:34:09 +0100 Subject: [PATCH] Use eqSpecPreds --- compiler/typecheck/TcPat.lhs | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/compiler/typecheck/TcPat.lhs b/compiler/typecheck/TcPat.lhs index 2501225..c860bfe 100644 --- a/compiler/typecheck/TcPat.lhs +++ b/compiler/typecheck/TcPat.lhs @@ -695,8 +695,7 @@ tcConPat penv (L con_span con_name) pat_ty arg_pats thing_inside else do -- The general case, with existential, -- and local equality constraints - { let eq_preds = [mkEqPred (mkTyVarTy tv, ty) | (tv, ty) <- eq_spec] - theta' = substTheta tenv (eq_preds ++ theta) + { let theta' = substTheta tenv (eqSpecPreds eq_spec ++ theta) -- order is *important* as we generate the list of -- dictionary binders from theta' no_equalities = not (any isEqPred theta') -- 1.7.10.4