From 333921ae04dc686b40a875d6d6633af9992d1626 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sat, 4 Mar 2017 19:32:50 -0800
Subject: Harmonize code with previous commit.

* parser.y (expand_repeat_rep_args): Use a sym local
variable to avoid evaluating first(arg) twice,
like the previous commit does in another case of
this function.
---
 parser.y | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/parser.y b/parser.y
index bf87772e..837da618 100644
--- a/parser.y
+++ b/parser.y
@@ -1301,10 +1301,11 @@ static val expand_repeat_rep_args(val args)
         }
         ptail = list_collect(ptail, iout);
       } else if (exp_pair) {
-        ptail = list_collect(ptail, list(first(arg),
+        val sym = first(arg);
+        ptail = list_collect(ptail, list(sym,
                                          expand(second(arg), nil),
                                          nao));
-        match_reg_var(first(arg));
+        match_reg_var(sym);
       } else {
         ptail = list_collect(ptail, arg);
       }
-- 
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