Mark failures in Py_EnterRecursiveCall as unlikely (GH-3322)

ca5d90ef · Alex Henrie · Stefan Behnel · 67b77198 · ca5d90ef
Commit ca5d90ef authored Jan 22, 2020 by Alex Henrie Committed by Stefan Behnel Jan 23, 2020
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Cython/Utility/ObjectHandling.c Cython/Utility/ObjectHandling.c +1 -1

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--- a/Cython/Utility/ObjectHandling.c
+++ b/Cython/Utility/ObjectHandling.c
@@ -2195,7 +2195,7 @@ static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args,
    assert(kwargs == NULL || PyDict_Check(kwargs));
    nk = kwargs ? PyDict_Size(kwargs) : 0;
-    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) {
        return NULL;
    }