* parse.y (literal_concat_gen): concat body from dstr instead of

  nd_next.  [ruby-core:25284]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@24741 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 16 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 18f248b18..f1181fc4a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Sep  3 17:56:40 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* parse.y (literal_concat_gen): concat body from dstr instead of
+	  nd_next.  [ruby-core:25284]
+
 Wed Sep  2 16:49:53 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* math.c (math_gamma): get rid of direct comparison between too
diff --git a/bootstraptest/test_literal.rb b/bootstraptest/test_literal.rb
index 8480c6530..ab028e2c1 100644
--- a/bootstraptest/test_literal.rb
+++ b/bootstraptest/test_literal.rb
@@ -192,3 +192,11 @@ assert_normal_exit %q{
   rescue
   end
 }, '[ruby-dev:34536]'
+
+assert_equal 'ok', %q{
+  "#{}""#{}ok"
+}, '[ruby-dev:38968]'
+
+assert_equal 'ok', %q{
+  "#{}o""#{}k""#{}"
+}, '[ruby-core:25284]'
diff --git a/parse.y b/parse.y
index f1f5d7882..754b363f9 100644
--- a/parse.y
+++ b/parse.y
@@ -7844,7 +7844,9 @@ literal_concat_gen(struct parser_params *parser, NODE *head, NODE *tail)
 	    head = tail;
 	}
 	else if (NIL_P(tail->nd_lit)) {
-	    list_concat(head, tail->nd_next);
+	    head->nd_alen += tail->nd_alen - 1;
+	    head->nd_next->nd_end->nd_next = tail->nd_next;
+	    head->nd_next->nd_end = tail->nd_next->nd_end;
 	    rb_gc_force_recycle((VALUE)tail);
 	}
 	else {