* object.c (rb_obj_clone): do not touch age (FL_PROMOTED[01]) because

  rb_obj_alloc() can return old object in debug.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50017 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 6 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index e0ff95313e..f5732f6daa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Mar 19 06:30:35 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* object.c (rb_obj_clone): do not touch age (FL_PROMOTED[01]) because
+	  rb_obj_alloc() can return old object in debug.
+
 Thu Mar 19 06:29:28 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* test/objspace/test_objspace.rb: flag name was changed
diff --git a/object.c b/object.c
index 5c8bf62049..79358adae8 100644
--- a/object.c
+++ b/object.c
@@ -328,7 +328,7 @@ rb_obj_clone(VALUE obj)
         rb_raise(rb_eTypeError, "can't clone %s", rb_obj_classname(obj));
     }
     clone = rb_obj_alloc(rb_obj_class(obj));
-    RBASIC(clone)->flags &= (FL_TAINT);
+    RBASIC(clone)->flags &= (FL_TAINT|FL_PROMOTED0|FL_PROMOTED1);
     RBASIC(clone)->flags |= RBASIC(obj)->flags & ~(FL_PROMOTED0|FL_PROMOTED1|FL_FREEZE|FL_FINALIZE);
 
     singleton = rb_singleton_class_clone_and_attach(obj, clone);