diff -r a06454b1afa1 Python/ceval.c --- a/Python/ceval.c Sat Dec 17 12:00:35 2016 -0800 +++ b/Python/ceval.c Thu Jan 05 08:06:36 2017 +0100 @@ -1487,7 +1487,7 @@ skip_decref_vx: Py_DECREF(w); SET_TOP(x); - if (x != NULL) DISPATCH(); + if (x != NULL) goto fast_next_opcode; break; } @@ -1733,7 +1733,7 @@ skip_decref_v: Py_DECREF(w); SET_TOP(x); - if (x != NULL) DISPATCH(); + if (x != NULL) goto fast_next_opcode; break; }