From b5ef16ba0336aef1cbdd57805a76bbf4e05c1cdb Mon Sep 17 00:00:00 2001
From: yui-knk <spiketeika@gmail.com>
Date: Mon, 2 Jun 2014 09:38:24 +0900
Subject: Change to always use locals->car->car.

When p->locals->car is not NULL and p->locals->car->car is NULL,
local_add_f dose not append sym to p->locals->car->car.
This commit change to append sym to p->locals->car->car.
This will close #2333.
---
 src/parse.y | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/parse.y')

diff --git a/src/parse.y b/src/parse.y
index 719e78218..ab5caa28e 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -257,7 +257,11 @@ local_var_p(parser_state *p, mrb_sym sym)
 static void
 local_add_f(parser_state *p, mrb_sym sym)
 {
-  p->locals->car = push(p->locals->car, nsym(sym));
+  if (p->locals->car && !p->locals->car->car) {
+    p->locals->car->car = nsym(sym);
+  } else {
+    p->locals->car = push(p->locals->car, nsym(sym));
+  }
 }
 
 static void
-- 
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