Fix test_gc failure by fixing the bug test_gc found: __del__ methods were no

longer preventing classes from being cleaned up by the cycle-gc, after Guido
removed references to PyInstance_*.

diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index 5c2f3816e1f8cdb0e632396e1373bae97d7df474..99f2897e53d79525cfb6cd183394e3ee3f8b05c0 100644 (file)
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -411,7 +411,7 @@ has_finalizer(PyObject *op)
        if (PyGen_CheckExact(op))
                return PyGen_NeedsFinalizing((PyGenObject *)op);
        else
-               return 0;
+               return op->ob_type->tp_del != NULL;
 }
 
 /* Move the objects in unreachable with __del__ methods into `finalizers`.