charliesome	2013-09-05 01:53:20 +0900 (Thu, 05 Sep 2013)

  New Revision: 42836

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=42836

  Log:
    * vm_insnhelper.c (vm_search_method): no need to check klass == ci->klass
      in method cache guard - class sequence number has the same uniqueness
      guarantees

  Modified files:
    trunk/vm_insnhelper.c
Index: vm_insnhelper.c
===================================================================
--- vm_insnhelper.c	(revision 42835)
+++ vm_insnhelper.c	(revision 42836)
@@ -848,7 +848,7 @@ vm_search_method(rb_call_info_t *ci, VAL https://github.com/ruby/ruby/blob/trunk/vm_insnhelper.c#L848
     VALUE klass = CLASS_OF(recv);
 
 #if OPT_INLINE_METHOD_CACHE
-    if (LIKELY(GET_VM_STATE_VERSION() == ci->vmstat && RCLASS_EXT(klass)->seq == ci->seq && klass == ci->klass)) {
+    if (LIKELY(GET_VM_STATE_VERSION() == ci->vmstat && RCLASS_EXT(klass)->seq == ci->seq)) {
 	/* cache hit! */
 	return;
     }

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