From 3b11234ec7eb3c6c881aa6365a85695d0ece7b49 Mon Sep 17 00:00:00 2001
From: Alexey Izbyshev <izbyshev@ispras.ru>
Date: Wed, 22 Aug 2018 07:55:16 +0300
Subject: [PATCH] [2.7] bpo-34457: Python/ast.c: Add missing NULL check to
 alias_for_import_name(). (GH-8852)

Reported by Svace static analyzer..
(cherry picked from commit 28853a249b1d0c890b7e9ca345290bb8c1756446)

Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
---
 Python/ast.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Python/ast.c b/Python/ast.c
index 318c0bb27d35c3..946032589f4b00 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -2520,6 +2520,8 @@ alias_for_import_name(struct compiling *c, const node *n, int store)
             break;
         case STAR:
             str = PyString_InternFromString("*");
+            if (!str)
+                return NULL;
             PyArena_AddPyObject(c->c_arena, str);
             return alias(str, NULL, c->c_arena);
         default: