From: Kevin Modzelewski <kmod@users.noreply.github.com>
Date: Wed, 14 Sep 2022 03:44:32 +0000 (-0400)
Subject: ceval: Use _PyTuple_FromArraySteal in BUILD_TUPLE (GH-96516)
X-Git-Tag: v3.12.0a1~413
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4781535a5796838fc4ce88e6e669e8907e426685;p=thirdparty%2FPython%2Fcpython.git

ceval: Use _PyTuple_FromArraySteal in BUILD_TUPLE (GH-96516)
---

diff --git a/Python/ceval.c b/Python/ceval.c
index 091b0eb76407..1cf72461f4cf 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -2650,13 +2650,10 @@ handle_eval_breaker:
         }
 
         TARGET(BUILD_TUPLE) {
-            PyObject *tup = PyTuple_New(oparg);
+            STACK_SHRINK(oparg);
+            PyObject *tup = _PyTuple_FromArraySteal(stack_pointer, oparg);
             if (tup == NULL)
                 goto error;
-            while (--oparg >= 0) {
-                PyObject *item = POP();
-                PyTuple_SET_ITEM(tup, oparg, item);
-            }
             PUSH(tup);
             DISPATCH();
         }