Drop redundant parens in pretty-printing

diff --git a/compiler/coreSyn/PprCore.lhs b/compiler/coreSyn/PprCore.lhs
index cb79cb4..ab3257e 100644 (file)
--- a/compiler/coreSyn/PprCore.lhs
+++ b/compiler/coreSyn/PprCore.lhs
@@ -133,7 +133,7 @@ ppr_expr add_par expr@(App fun arg)
     let
        pp_args     = sep (map pprArg args)
        val_args    = dropWhile isTypeArg args   -- Drop the type arguments for tuples
-       pp_tup_args = sep (punctuate comma (map pprArg val_args))
+       pp_tup_args = sep (punctuate comma (map pprCoreExpr val_args))
     in
     case fun of
        Var f -> case isDataConWorkId_maybe f of