* vm_method.c (rb_clear_cache_by_class): Revert r29673. It made

a segmentation fault regression. [Bug #4289][ruby-core:34554].



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31378 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Apr 29 10:25:31 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* vm_method.c (rb_clear_cache_by_class): Revert r29673. It made
+	  a segmentation fault regression. [Bug #4289][ruby-core:34554].
+
 Fri Apr 29 10:24:51 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* io.c (make_writeconv): do not add textmode newline decorator if any

vm_method.c

@@ -85,9 +85,6 @@ rb_clear_cache_by_class(VALUE klass)
 {
     struct cache_entry *ent, *end;
 
-    if (RCLASS_M_TBL(klass)->num_entries == 0)
-        return;
-
     rb_vm_change_state();
 
     if (!ruby_running)