short circut bug test #404

tests/run/short_circuit_T404.pyx

+cdef long foo(long x):
+    print "foo(%s)" % x
+    return x
+
+def test_or(long a, long b):
+    """
+    >>> test_or(1,2)
+    foo(1)
+    True
+    >>> test_or(1,0)
+    foo(1)
+    True
+    >>> test_or(0,2)
+    foo(0)
+    foo(2)
+    True
+    >>> test_or(0,0)
+    foo(0)
+    foo(0)
+    False
+    """
+    print foo(a) or foo(b)
+
+def test_and(long a, long b):
+    """
+    >>> test_and(1,2)
+    foo(1)
+    foo(2)
+    True
+    >>> test_and(1,0)
+    foo(1)
+    foo(0)
+    False
+    >>> test_and(0,2)
+    foo(0)
+    False
+    >>> test_and(0,0)
+    foo(0)
+    False
+    """
+    print foo(a) and foo(b)