* bignum.c (rb_big_hash): fix hash area.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12647 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Thu Jun 28 18:53:01 2007  Tanaka Akira  <akr@fsij.org>
+
+	* bignum.c (rb_big_hash): fix hash area.
+
 Thu Jun 28 15:00:06 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/stringio/stringio.c (strio_getline): local variable to be

bignum.c

@@ -2029,7 +2029,7 @@ rb_big_hash(VALUE x)
 {
     int hash;
 
-    hash = rb_memhash(BDIGITS(x), BITSPERDIG*RBIGNUM(x)->len) ^ RBIGNUM(x)->sign;
+    hash = rb_memhash(BDIGITS(x), sizeof(*BDIGITS(x))*RBIGNUM(x)->len) ^ RBIGNUM(x)->sign;
     return INT2FIX(hash);
 }