Explicitly initialize the isolated config.

ericsnowcurrently · ericsnowcurrently · commit 3f29756d906d · 2022-03-08T14:58:56.000-07:00
diff --git a/Modules/_xxsubinterpretersmodule.c b/Modules/_xxsubinterpretersmodule.c
@@ -2020,7 +2020,8 @@ 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();

Original file line number	Diff line number	Diff line change
`@@ -2020,7 +2020,8 @@ interp_create(PyObject self, PyObject args, PyObject *kwds)`
`2020`	`2020`	`return NULL;`
`2021`	`2021`	`}`
`2022`	`2022`
`2023`		`- const _PyInterpreterConfig config; // isolated by default`
	`2023`	`+ // The struct is isolated by default.`
	`2024`	`+ const _PyInterpreterConfig config = (const _PyInterpreterConfig){};`
`2024`	`2025`
`2025`	`2026`	`// Create and initialize the new interpreter.`
`2026`	`2027`	`PyThreadState *save_tstate = _PyThreadState_GET();`