From 6a26b59600c7c66611c9a52038bb95ff4d4194c0 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 2 Aug 2009 12:04:43 +0000
Subject: * parse.y (literal_concat0): tail can be nil.  [ruby-dev:38980]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24356 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 1 +
 1 file changed, 1 insertion(+)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index 80fef61f34..646e0ceeff 100644
--- a/parse.y
+++ b/parse.y
@@ -7782,6 +7782,7 @@ list_concat_gen(struct parser_params *parser, NODE *head, NODE *tail)
 static int
 literal_concat0(struct parser_params *parser, VALUE head, VALUE tail)
 {
+    if (NIL_P(tail)) return 1;
     if (!rb_enc_compatible(head, tail)) {
 	compile_error(PARSER_ARG "string literal encodings differ (%s / %s)",
 		      rb_enc_name(rb_enc_get(head)),
-- 
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