* gc.c (rb_gc_writebarrier_remember_promoted): should remember only

OLD objects on RGENGC_AGE2_PROMOTION.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46938 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Jul 25 13:45:39 2014  Koichi Sasada  <ko1@atdot.net>
+
+	* 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@atdot.net>
 
 	* gc.c (gc_mark_stacked_objects): fix error message.

gc.c

@@ -4984,6 +4984,15 @@ void
 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);
 }