commit 0ad1e0384c8afc5259a6d03363491d89500a5d03
author Brandt Bucher <brandt@python.org> Sun May 02 13:02:10 2021 -0700
committer GitHub <noreply@github.com> Sun May 02 13:02:10 2021 -0700
tree 66debec62434d9503dd8c3b60c22dc99dcd15f95
parent 7d2b83e9f092a2ea1f715fe028f7c48324bee756

bpo-43754: Eliminate bindings for partial pattern matches (GH-25229)

Python/ceval.c

diff --git a/Python/ceval.c b/Python/ceval.c
index 866c57a..25548e3 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -4399,6 +4399,14 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, PyFrameObject *f, int throwflag)
             DISPATCH();
         }
 
+        case TARGET(ROT_N): {
+            PyObject *top = TOP();
+            memmove(&PEEK(oparg - 1), &PEEK(oparg),
+                    sizeof(PyObject*) * (oparg - 1));
+            PEEK(oparg) = top;
+            DISPATCH();
+        }
+
         case TARGET(EXTENDED_ARG): {
             int oldoparg = oparg;
             NEXTOPARG();