test case for ticket #654

tests/run/function_argument_sideeffects_T654.pyx

+
+order = []
+
+cdef int f():
+    order.append(1)
+    return 1
+
+def g():
+    order.append(2)
+    return 2
+
+cdef call(int x, object o):
+    return x, o
+
+def test():
+    """
+    >>> order
+    []
+    >>> test()
+    (1, 2)
+    >>> order
+    [1, 2]
+    """
+    return call(f(), g())