Fix bug in tuple untrack logic.

nascheme · nascheme · commit e12dd2eec943 · 2025-01-30T20:43:15.000-08:00
Need to clear the "alive" bit.
diff --git a/Python/gc_free_threading.c b/Python/gc_free_threading.c
@@ -648,6 +648,7 @@ gc_mark_traverse_tuple(PyObject *self, void *args)
 {
     _PyTuple_MaybeUntrack(self);
     if (!gc_has_bit(self,  _PyGC_BITS_TRACKED)) {
+        gc_clear_alive(self);
         return 0;
     }
     PyTupleObject *tuple = _PyTuple_CAST(self);

Original file line number	Diff line number	Diff line change
`@@ -648,6 +648,7 @@ gc_mark_traverse_tuple(PyObject self, void args)`
`648`	`648`	`{`
`649`	`649`	`_PyTuple_MaybeUntrack(self);`
`650`	`650`	`if (!gc_has_bit(self, _PyGC_BITS_TRACKED)) {`
	`651`	`+ gc_clear_alive(self);`
`651`	`652`	`return 0;`
`652`	`653`	`}`
`653`	`654`	`PyTupleObject *tuple = _PyTuple_CAST(self);`