gc.c: restore cfp at finalizer

* gc.c (run_finalizer): restore cfp for the case an exception
  raised in a finalizer.  [ruby-core:82432] [Bug #13832]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59649 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/gc.c b/gc.c
index 8525085541..095bf75c1d 100644
--- a/gc.c
+++ b/gc.c
@@ -2782,17 +2782,20 @@ run_finalizer(rb_objspace_t *objspace, VALUE obj, VALUE table)
     volatile struct {
 	VALUE errinfo;
 	VALUE objid;
+	rb_control_frame_t *cfp;
 	long finished;
 	int safe;
     } saved;
     rb_thread_t *const th = GET_THREAD();
 #define RESTORE_FINALIZER() (\
+	th->ec.cfp = saved.cfp, \
 	rb_set_safe_level_force(saved.safe), \
 	rb_set_errinfo(saved.errinfo))
 
     saved.safe = rb_safe_level();
     saved.errinfo = rb_errinfo();
     saved.objid = nonspecial_obj_id(obj);
+    saved.cfp = th->ec.cfp;
     saved.finished = 0;
 
     TH_PUSH_TAG(th);