= mkConApp con (map Type inst_tys ++ varsToCoreExprs args)
mkAltExpr (LitAlt lit) [] []
= Lit lit
+mkAltExpr (LitAlt _) _ _ = panic "mkAltExpr LitAlt"
+mkAltExpr DEFAULT _ _ = panic "mkAltExpr DEFAULT"
mkIfThenElse :: CoreExpr -> CoreExpr -> CoreExpr -> CoreExpr
mkIfThenElse guard then_expr else_expr