commit 6d86a2331e6b64a2ae80c1a21f81baa5a71ac594
author Victor Stinner <vstinner@python.org> Wed Apr 29 00:56:58 2020 +0200
committer GitHub <noreply@github.com> Wed Apr 29 00:56:58 2020 +0200
tree 43b1e88fff7e3122019b4d948758534aeed39a87
parent 521c8d6806adf0305c158d280ec00cca48e8ab22

bpo-40429: PyFrame_GetCode() result cannot be NULL (GH-19772)

Add frame_nslots() to factorize duplicate code.

Objects/genobject.c

diff --git a/Objects/genobject.c b/Objects/genobject.c
index 66c6ccb..071def8 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -1117,11 +1117,11 @@
     }
     frame = PyEval_GetFrame();
     for (int i = 0; i < frame_count; ++i) {
-        PyObject *frameinfo = Py_BuildValue(
-            "OiO",
-            frame->f_code->co_filename,
-            PyFrame_GetLineNumber(frame),
-            frame->f_code->co_name);
+        PyCodeObject *code = frame->f_code;
+        PyObject *frameinfo = Py_BuildValue("OiO",
+                                            code->co_filename,
+                                            PyFrame_GetLineNumber(frame),
+                                            code->co_name);
         if (!frameinfo) {
             Py_DECREF(cr_origin);
             return NULL;