From 0456df4a55ec9a4e8f4425df92bbe63a290f3f2f Mon Sep 17 00:00:00 2001
From: Jeroen Demeyer <J.Demeyer@UGent.be>
Date: Mon, 17 Jun 2019 13:41:33 +0200
Subject: [PATCH] bpo-37231: remove _PyObject_FastCall_Prepend (GH-14153)

---
 Include/cpython/abstract.h |  6 ------
 Objects/call.c             | 36 ------------------------------------
 2 files changed, 42 deletions(-)

diff --git a/Include/cpython/abstract.h b/Include/cpython/abstract.h
index 7ab2045923..d036912228 100644
--- a/Include/cpython/abstract.h
+++ b/Include/cpython/abstract.h
@@ -156,12 +156,6 @@ PyAPI_FUNC(PyObject *) _PyObject_Call_Prepend(
     PyObject *args,
     PyObject *kwargs);
 
-PyAPI_FUNC(PyObject *) _PyObject_FastCall_Prepend(
-    PyObject *callable,
-    PyObject *obj,
-    PyObject *const *args,
-    Py_ssize_t nargs);
-
 /* Like PyObject_CallMethod(), but expect a _Py_Identifier*
    as the method name. */
 PyAPI_FUNC(PyObject *) _PyObject_CallMethodId(PyObject *obj,
diff --git a/Objects/call.c b/Objects/call.c
index 8eae1e10d8..5bef9f566e 100644
--- a/Objects/call.c
+++ b/Objects/call.c
@@ -837,42 +837,6 @@ PyObject_CallObject(PyObject *callable, PyObject *args)
 }
 
 
-/* Positional arguments are obj followed by args:
-   call callable(obj, *args, **kwargs) */
-PyObject *
-_PyObject_FastCall_Prepend(PyObject *callable, PyObject *obj,
-                           PyObject *const *args, Py_ssize_t nargs)
-{
-    PyObject *small_stack[_PY_FASTCALL_SMALL_STACK];
-    PyObject **args2;
-    PyObject *result;
-
-    nargs++;
-    if (nargs <= (Py_ssize_t)Py_ARRAY_LENGTH(small_stack)) {
-        args2 = small_stack;
-    }
-    else {
-        args2 = PyMem_Malloc(nargs * sizeof(PyObject *));
-        if (args2 == NULL) {
-            PyErr_NoMemory();
-            return NULL;
-        }
-    }
-
-    /* use borrowed references */
-    args2[0] = obj;
-    if (nargs > 1) {
-        memcpy(&args2[1], args, (nargs - 1) * sizeof(PyObject *));
-    }
-
-    result = _PyObject_FastCall(callable, args2, nargs);
-    if (args2 != small_stack) {
-        PyMem_Free(args2);
-    }
-    return result;
-}
-
-
 /* Call callable(obj, *args, **kwargs). */
 PyObject *
 _PyObject_Call_Prepend(PyObject *callable,
-- 
2.40.0