* hash.c (rb_hash_become): should check self-assignment after

conversion.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2904 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sat Sep 28 13:19:29 2002  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
+
+	* hash.c (rb_hash_become): should check self-assignment after
+	  conversion.
+
 Sat Sep 28 10:40:44 2002  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* hash.c (rb_hash_become): Hash#become should check added

hash.c

@@ -575,8 +575,8 @@ static VALUE
 rb_hash_become(hash, hash2)
     VALUE hash, hash2;
 {
-    if (hash == hash2) return hash;
     hash2 = to_hash(hash2);
+    if (hash == hash2) return hash;
     rb_hash_clear(hash);
     st_foreach(RHASH(hash2)->tbl, replace_i, hash);
     RHASH(hash)->ifnone = RHASH(hash2)->ifnone;