Fix refcounting

mdboom · mdboom · commit 8d70094e65b4 · 2024-11-04T09:15:23.000-05:00
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
@@ -2478,8 +2478,12 @@ _PyCode_ConstantKey(PyObject *op)
 
         PyObject *slice_key = PySlice_New(start_key, stop_key, step_key);
         if (slice_key == NULL) {
+            Py_DECREF(start_key);
+            Py_DECREF(stop_key);
+            Py_DECREF(step_key);
             return NULL;
         }
+
         key = PyTuple_Pack(2, slice_key, op);
         Py_DECREF(slice_key);
     }

Original file line number	Diff line number	Diff line change
`@@ -2478,8 +2478,12 @@ _PyCode_ConstantKey(PyObject *op)`
`2478`	`2478`
`2479`	`2479`	`PyObject *slice_key = PySlice_New(start_key, stop_key, step_key);`
`2480`	`2480`	`if (slice_key == NULL) {`
	`2481`	`+ Py_DECREF(start_key);`
	`2482`	`+ Py_DECREF(stop_key);`
	`2483`	`+ Py_DECREF(step_key);`
`2481`	`2484`	`return NULL;`
`2482`	`2485`	`}`
	`2486`	`+`
`2483`	`2487`	`key = PyTuple_Pack(2, slice_key, op);`
`2484`	`2488`	`Py_DECREF(slice_key);`
`2485`	`2489`	`}`