From: Zachary DeVito <zdevito@meta.com>
Date: Tue, 1 Nov 2022 11:35:23 -0700
Subject: Fix corner cases with permute (#88226)

Previously the permute function was extended to behave like the `order`
function for first-class dimensions. However, unlike `permute`,
`order` doesn't have a keyword argment `dims`, and there is no way to add
it in a way that makes both permute an order to continue to have the same
behavior. So this change just removes the extra functionality of permute,
which wasn't documented anyway. Fixes #88187
Pull Request resolved: https://github.com/pytorch/pytorch/pull/88226
Approved by: https://github.com/zou3519
---
 functorch/csrc/dim/dim.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/functorch/csrc/dim/dim.cpp b/functorch/csrc/dim/dim.cpp
index abdebc2..c43a6c7 100644
--- a/functorch/csrc/dim/dim.cpp
+++ b/functorch/csrc/dim/dim.cpp
@@ -1767,6 +1767,9 @@ static PyObject* order(PyObject *_,
                       PyObject *kwnames) {
     Arena A;
     PY_BEGIN
+    if (kwnames) {
+        py::raise_error(PyExc_TypeError, "unexpected keyword arguments %S", kwnames);
+    }
     AT_ASSERT(nargs-- > 0);
     Slice<DimEntry> orig_levels;
     Slice<DimEntry> levels;