Always pin stack zombie and moved slots

We should always pin stack zombies and moved

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67635 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/gc.c b/gc.c
index 1adfa8c088..be61b3dad1 100644
--- a/gc.c
+++ b/gc.c
@@ -4654,6 +4654,11 @@ gc_mark_maybe_(rb_objspace_t *objspace, VALUE obj, int pin)
 
         unpoison_object(obj, false);
         type = BUILTIN_TYPE(obj);
+
+        if (type == T_MOVED || type == T_ZOMBIE) {
+            gc_pin(objspace, obj);
+        }
+
         /* Garbage can live on the stack, so do not mark or pin */
         if (type != T_MOVED && type != T_ZOMBIE && type != T_NONE) {
             if (pin) {