Make pending_interrupt?(Exception) work

A patch from katsu (Katsuhiro Ueno)

[Bug #19110]

1 files changed, 1 insertions, 1 deletions

diff --git a/thread.c b/thread.c
index d8925e618e..624c070877 100644
--- a/thread.c
+++ b/thread.c
@@ -1922,7 +1922,7 @@ rb_threadptr_pending_interrupt_include_p(rb_thread_t *th, VALUE err)
     int i;
     for (i=0; i<RARRAY_LEN(th->pending_interrupt_queue); i++) {
         VALUE e = RARRAY_AREF(th->pending_interrupt_queue, i);
-        if (rb_class_inherited_p(e, err)) {
+        if (rb_obj_is_kind_of(e, err)) {
             return TRUE;
         }
     }