commit 8d88e8c662a80c186c7a0e67f1c1f3d4010276f8
author Dino Viehland <dinoviehland@fb.com> Thu Sep 12 15:38:13 2019 +0100
committer Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Thu Sep 12 07:38:13 2019 -0700
tree f0d909f3193b1abeab4e2d6562560dd1e1c5b49f
parent 9a4963b932a087b78596cca0b8394ac898faa490

bpo-38138: Fix memory leak introduced by interned strings (GH-16053)



Interned string needs to be decref'd



https://bugs.python.org/issue38138



Automerge-Triggered-By: @matrixise

Python/ast.c

diff --git a/Python/ast.c b/Python/ast.c
index 46815c2..e6f7167 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -630,6 +630,7 @@
         PyObject *args[2] = {form, id};
         id2 = _PyObject_FastCall(c->c_normalize, args, 2);
         Py_DECREF(id);
+        Py_DECREF(form);
         if (!id2)
             return NULL;
         if (!PyUnicode_Check(id2)) {