gh-95369: add missing decref in error case of exception group's split (GH-95370)

(cherry picked from commit bceb197947bbaebb11e01195bdce4f240fdf9332)

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>

diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index c6af82a466855035df16470da2bce80beb4988ff..3c4df2facfe2e2a53015f4eec04414ddb0f5617c 100644 (file)
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -1114,6 +1114,7 @@ exceptiongroup_split_recursive(PyObject *exc,
             assert(PyList_CheckExact(match_list));
             if (PyList_Append(match_list, rec_result.match) < 0) {
                 Py_DECREF(rec_result.match);
+                Py_XDECREF(rec_result.rest);
                 goto done;
             }
             Py_DECREF(rec_result.match);