ko1	2014-07-25 13:47:48 +0900 (Fri, 25 Jul 2014)

  New Revision: 46938

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=46938

  Log:
    * gc.c (rb_gc_writebarrier_remember_promoted): should remember only
      OLD objects on RGENGC_AGE2_PROMOTION.

  Modified files:
    trunk/ChangeLog
    trunk/gc.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 46937)
+++ ChangeLog	(revision 46938)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Fri Jul 25 13:45:39 2014  Koichi Sasada  <ko1@a...>
+
+	* gc.c (rb_gc_writebarrier_remember_promoted): should remember only
+	  OLD objects on RGENGC_AGE2_PROMOTION.
+
 Fri Jul 25 13:42:02 2014  Koichi Sasada  <ko1@a...>
 
 	* gc.c (gc_mark_stacked_objects): fix error message.
Index: gc.c
===================================================================
--- gc.c	(revision 46937)
+++ gc.c	(revision 46938)
@@ -4984,6 +4984,15 @@ void https://github.com/ruby/ruby/blob/trunk/gc.c#L4984
 rb_gc_writebarrier_remember_promoted(VALUE obj)
 {
     rb_objspace_t *objspace = &rb_objspace;
+
+    if (RGENGC_CHECK_MODE) {
+	if (!RVALUE_PROMOTED_P(obj)) rb_bug("rb_gc_writebarrier_remember_promoted: called on non-promoted object");
+    }
+
+#if RGENGC_AGE2_PROMOTION
+    if (!RVALUE_OLD_P(obj)) return;
+#endif
+
     rgengc_remember(objspace, obj);
 }
 

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