* vm_insnhelper.c (vm_call_super_method): a workaround for the

failure of TestRefinement#test_refine_recursion in Windows.
  See [ruby-core:50871] for details.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38365 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Thu Dec 13 23:14:17 2012  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* vm_insnhelper.c (vm_call_super_method): a workaround for the
+	  failure of TestRefinement#test_refine_recursion in Windows.
+	  See [ruby-core:50871] for details.
+
 Thu Dec 13 23:10:52  Charlie Somerville  <charlie@charliesomerville.com>
 	* object.c (Init_Object): use rb_mod_init_copy for Class#initialize_copy
 	* class.c (rb_class_init_copy): rename to class_init_copy_check, performs type

vm_insnhelper.c

@@ -1852,6 +1852,11 @@ vm_call_general(rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_call_info_t *ci
 static VALUE
 vm_call_super_method(rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_call_info_t *ci)
 {
+#ifdef _WIN32
+    volatile int x = 0; /* a workaround to avoid VC++ optimization which
+			   makes vm_call_super_method as an alias of
+			   vm_call_general! */
+#endif
     return vm_call_method(th, reg_cfp, ci);
 }