From f879d8b9b5fe34235be83d978446e55649c1f3e3 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 19 Apr 2006 00:51:49 +0000
Subject: * parse.y (list_concat): should not modify nodes other than  
 NODE_ARRAY.  [ruby-dev:28583]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@10098 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index 18f1668e5..d50f06d10 100644
--- a/parse.y
+++ b/parse.y
@@ -4665,6 +4665,8 @@ list_concat(head, tail)
 {
     NODE *last;
 
+    if (nd_type(tail) != NODE_ARRAY)
+        return list_append(head, tail);
     if (head->nd_next) {
 	last = head->nd_next->nd_end;
     }
-- 
cgit