* string.c (rb_str_hash_cmp): got rid of overflow.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24196 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sat Jul 18 17:43:12 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* string.c (rb_str_hash_cmp): got rid of overflow.
+
 Sat Jul 18 16:03:01 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* include/ruby/defines.h (TRUE, FALSE): for internal use.

string.c

@@ -2239,7 +2239,7 @@ rb_str_hash(VALUE str)
 int
 rb_str_hash_cmp(VALUE str1, VALUE str2)
 {
-    int len;
+    long len;
 
     if (!rb_str_comparable(str1, str2)) return 1;
     if (RSTRING_LEN(str1) == (len = RSTRING_LEN(str2)) &&