builtin_complex(): Nailed memory leak. This one's in the instance

test for classes with a __complex__() method.  The attribute is pulled
out of the instance with PyObject_GetAttr() but this transfers
ownership and the function object was never DECREF'd.

diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index d23026182e5d799197fd71992bb08fec1563c620..df6b98b42c401c572633f4bd1c16f33d969e888c 100644 (file)
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -409,6 +409,7 @@ builtin_complex(self, args)
                                return NULL;
                        r = PyEval_CallObject(f, args);
                        Py_DECREF(args);
+                       Py_DECREF(f);
                        if (r == NULL)
                                return NULL;
                        own_r = 1;