commit e682b26a6bc6d3db1a44d82db09d26224e82ccb5
author Sergey Fedoseev <fedoseev.sergey@gmail.com> Mon May 25 19:54:40 2020 +0500
committer GitHub <noreply@github.com> Mon May 25 07:54:40 2020 -0700
tree e680c94323d9a5e31b8f8cefd16710a8243a8078
parent ef16958d17e83723334a51428f410f726d6492a7

bpo-34397: Remove redundant overflow checks in list and tuple implementation. (GH-8757)

Objects/tupleobject.c

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index c0b59c0..1453463 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -486,8 +486,7 @@
         Py_INCREF(a);
         return (PyObject *)a;
     }
-    if (Py_SIZE(a) > PY_SSIZE_T_MAX - Py_SIZE(b))
-        return PyErr_NoMemory();
+    assert((size_t)Py_SIZE(a) + (size_t)Py_SIZE(b) < PY_SSIZE_T_MAX);
     size = Py_SIZE(a) + Py_SIZE(b);
     if (size == 0) {
         return PyTuple_New(0);