merge revision(s) r47191: [Backport #10140]

	* iseq.c (rb_iseq_clone): Should not insert write barrier from
	  non-RVALUE data (to non-RVALUE data, of course).
	  Ruby 2.1 also has a same problem.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47481 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/iseq.c b/iseq.c
index 32d9967964..700a161f6b 100644
--- a/iseq.c
+++ b/iseq.c
@@ -1943,7 +1943,7 @@ rb_iseq_clone(VALUE iseqval, VALUE newcbase)
 	if (iseq0->cref_stack->nd_next) {
 	    RB_OBJ_WRITE(iseq1->cref_stack, &iseq1->cref_stack->nd_next, iseq0->cref_stack->nd_next);
 	}
-	RB_OBJ_WRITE(iseq1, &iseq1->klass, newcbase);
+	RB_OBJ_WRITE(iseq1->self, &iseq1->klass, newcbase);
     }
 
     return newiseq;