Use a static str for "__builtins__".

ericsnowcurrently · ericsnowcurrently · commit f254ec7fe280 · 2025-05-27T09:16:09.000-06:00
diff --git a/Python/crossinterp_data_lookup.h b/Python/crossinterp_data_lookup.h
@@ -702,8 +702,8 @@ _PyFunction_FromXIData(_PyXIData_t *xidata)
         return NULL;
     }
     PyThreadState *tstate = _PyThreadState_GET();
-    if (PyDict_SetItemString(globals, "__builtins__",
-                             tstate->interp->builtins) < 0)
+    if (PyDict_SetItem(globals, &_Py_ID(__builtins__),
+                       tstate->interp->builtins) < 0)
     {
         Py_DECREF(code);
         Py_DECREF(globals);

Original file line number	Diff line number	Diff line change
`@@ -702,8 +702,8 @@ _PyFunction_FromXIData(_PyXIData_t *xidata)`
`702`	`702`	`return NULL;`
`703`	`703`	`}`
`704`	`704`	`PyThreadState *tstate = _PyThreadState_GET();`
`705`		`- if (PyDict_SetItemString(globals, "__builtins__",`
`706`		`- tstate->interp->builtins) < 0)`
	`705`	`+ if (PyDict_SetItem(globals, &_Py_ID(__builtins__),`
	`706`	`+ tstate->interp->builtins) < 0)`
`707`	`707`	`{`
`708`	`708`	`Py_DECREF(code);`
`709`	`709`	`Py_DECREF(globals);`