* hash.c (hash_i): use Murmurhash.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22324 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Feb 15 14:58:07 2009  Tanaka Akira  <akr@fsij.org>
+
+	* hash.c (hash_i): use Murmurhash.
+
 Sun Feb 15 11:45:29 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* variable.c (rb_define_hooked_variable): suppress false assertion

hash.c

@@ -1523,8 +1523,7 @@ static int
 hash_i(VALUE key, VALUE val, int *hval)
 {
     if (key == Qundef) return ST_CONTINUE;
-    *hval ^= rb_hash(key);
-    *hval ^= rb_hash(val);
+    *hval ^= rb_hash_end(rb_hash_uint(rb_hash_start(rb_hash(key)), rb_hash(val)));
     return ST_CONTINUE;
 }