Revert "fFx refleak in isinstance error path (GH-31005)"

pablogsal · ambv · commit ada2b00c7c5b · 2022-01-31T11:56:02.000+01:00
This reverts commit 8fb3649.
diff --git a/Python/ceval.c b/Python/ceval.c
@@ -4826,7 +4826,6 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, InterpreterFrame *frame, int thr
 
             int retval = PyObject_IsInstance(SECOND(), TOP());
             if (retval < 0) {
-                Py_DECREF(cls);
                 goto error;
             }
             PyObject *res = PyBool_FromLong(retval);

Original file line number	Diff line number	Diff line change
`@@ -4826,7 +4826,6 @@ _PyEval_EvalFrameDefault(PyThreadState tstate, InterpreterFrame frame, int thr`
`4826`	`4826`
`4827`	`4827`	`int retval = PyObject_IsInstance(SECOND(), TOP());`
`4828`	`4828`	`if (retval < 0) {`
`4829`		`- Py_DECREF(cls);`
`4830`	`4829`	`goto error;`
`4831`	`4830`	`}`
`4832`	`4831`	`PyObject *res = PyBool_FromLong(retval);`