* string.c (rb_str_rindex): must return -1 if unmatched.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/string.c b/string.c
index e687fcc533..119852044e 100644
--- a/string.c
+++ b/string.c
@@ -912,6 +912,7 @@ rb_str_rindex(str, sub, pos)
 	    }
 	    s--;
 	}
+	return -1;
     }
     else {
 	return pos;