GH-128682: Change a couple of functions to only steal references on success. (GH-129132)

Change PyTuple_FromStackRefSteal and PyList_FromStackRefSteal to only steal on success to avoid escaping

1 files changed, 1 insertions, 4 deletions

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 002002eb455..7fe8553030a 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -391,16 +391,13 @@ _PyTuple_FromArray(PyObject *const *src, Py_ssize_t n)
 }
 
 PyObject *
-_PyTuple_FromStackRefSteal(const _PyStackRef *src, Py_ssize_t n)
+_PyTuple_FromStackRefStealOnSuccess(const _PyStackRef *src, Py_ssize_t n)
 {
     if (n == 0) {
         return tuple_get_empty();
     }
     PyTupleObject *tuple = tuple_alloc(n);
     if (tuple == NULL) {
-        for (Py_ssize_t i = 0; i < n; i++) {
-            PyStackRef_CLOSE(src[i]);
-        }
         return NULL;
     }
     PyObject **dst = tuple->ob_item;