From 81eda9bb7baa3e7199e1c715e5ca7441c461cafc Mon Sep 17 00:00:00 2001
From: Eric Snow <ericsnowcurrently@gmail.com>
Date: Tue, 8 Mar 2022 14:58:56 -0700
Subject: [PATCH] Explicitly initialize the isolated config.

---
 Modules/_xxsubinterpretersmodule.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Modules/_xxsubinterpretersmodule.c b/Modules/_xxsubinterpretersmodule.c
index 3287e7c9febb0c..82a5704fb1372f 100644
--- a/Modules/_xxsubinterpretersmodule.c
+++ b/Modules/_xxsubinterpretersmodule.c
@@ -2001,7 +2001,8 @@ interp_create(PyObject *self, PyObject *args, PyObject *kwds)
         return NULL;
     }
 
-    const _PyInterpreterConfig config;  // isolated by default
+    // The struct is isolated by default.
+    const _PyInterpreterConfig config = (const _PyInterpreterConfig){};
 
     // Create and initialize the new interpreter.
     PyThreadState *save_tstate = _PyThreadState_GET();