iseq.c: fix r37397

* iseq.c (set_relation): parent_iseq need to be set regardless iseq
  type.  fix r37397.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37403 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu Nov  1 21:19:56 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* iseq.c (set_relation): parent_iseq need to be set regardless iseq
+	  type.  fix r37397.
+
 Thu Nov  1 19:47:23 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* thread_pthread.c (RUBY_STACK_MIN): may not a compile time constant.

iseq.c

@@ -199,6 +199,7 @@ set_relation(rb_iseq_t *iseq, const VALUE parent)
 {
     const VALUE type = iseq->type;
     rb_thread_t *th = GET_THREAD();
+    rb_iseq_t *piseq;
 
     /* set class nest stack */
     if (type == ISEQ_TYPE_TOP) {
@@ -221,10 +222,13 @@ set_relation(rb_iseq_t *iseq, const VALUE parent)
 	iseq->local_iseq = iseq;
     }
     else if (RTEST(parent)) {
-	rb_iseq_t *piseq;
 	GetISeqPtr(parent, piseq);
 	iseq->cref_stack = piseq->cref_stack;
 	iseq->local_iseq = piseq->local_iseq;
+    }
+
+    if (RTEST(parent)) {
+	GetISeqPtr(parent, piseq);
 	iseq->parent_iseq = piseq;
     }
 }