2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 115628255d..968e24e961 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Dec 21 17:51:44 2009  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* regcomp.c (optimize_node_left): include equal on the condition of for-loop.
+	  This bug also affects original Oniguruma. [ruby-core:27247]
+
 Mon Dec 21 10:03:33 2009  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* regcomp.c (print_enc_string): follow enclen's change.
diff --git a/regcomp.c b/regcomp.c
index 4a4f1a7f4c..bfddc225d1 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -4792,7 +4792,7 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
 	  copy_node_opt_info(opt, &nopt);
 	  if (nopt.exb.len > 0) {
 	    if (nopt.exb.reach_end) {
-	      for (i = 2; i < qn->lower &&
+	      for (i = 2; i <= qn->lower &&
 		          ! is_full_opt_exact_info(&opt->exb); i++) {
 		concat_opt_exact_info(&opt->exb, &nopt.exb, env->enc);
 	      }