From 0247e80f3c529900689425676342cb70ea31a13d Mon Sep 17 00:00:00 2001
From: Eddie Elizondo <eelizondo@fb.com>
Date: Sat, 14 Sep 2019 09:38:17 -0400
Subject: Fix leaks in Python-ast.c (#16127)

---
 Python/Python-ast.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'Python/Python-ast.c')

diff --git a/Python/Python-ast.c b/Python/Python-ast.c
index 5190a90f13..7a38e98c43 100644
--- a/Python/Python-ast.c
+++ b/Python/Python-ast.c
@@ -1130,9 +1130,13 @@ static void
 ast_dealloc(AST_object *self)
 {
     /* bpo-31095: UnTrack is needed before calling any callbacks */
+    PyTypeObject *tp = Py_TYPE(self);
     PyObject_GC_UnTrack(self);
     Py_CLEAR(self->dict);
-    Py_TYPE(self)->tp_free(self);
+    freefunc free_func = PyType_GetSlot(tp, Py_tp_free);
+    assert(free_func != NULL);
+    free_func(self);
+    Py_DECREF(tp);
 }
 
 static int
-- 
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