* string.c (sym_to_proc): use hidden object.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20527 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri Dec  5 01:35:08 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* string.c (sym_to_proc): use hidden object.
+
 Fri Dec  5 01:19:21 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* pack.c (pack_pack): propagate taint status from format string to

string.c

@@ -6922,8 +6922,8 @@ sym_to_proc(VALUE sym)
     VALUE *aryp;
 
     if (!sym_proc_cache) {
+        sym_proc_cache = rb_ary_tmp_new(SYM_PROC_CACHE_SIZE * 2);
         rb_gc_register_mark_object(sym_proc_cache);
-        sym_proc_cache = rb_ary_new2(SYM_PROC_CACHE_SIZE * 2);
         rb_ary_store(sym_proc_cache, SYM_PROC_CACHE_SIZE*2 - 1, Qnil);
     }