BUG: non-empty takes on empty axes failed for clip/wrap logic

These did no checking for this special case. And thus, wrap would go
into infinite loops trying to adjust the index, and clip would (probably)
segfault. This raises IndexError explicitely beforehand.

numpy/core/src/multiarray/item_selection.c

@@ -117,6 +117,13 @@ PyArray_TakeFrom(PyArrayObject *self0, PyObject *indices0, int axis,
     dest = PyArray_DATA(obj);
     needs_refcounting = PyDataType_REFCHK(PyArray_DESCR(self));
 
+    if ((max_item == 0) && (PyArray_SIZE(obj) != 0)) {
+        /* Index error, since that is the usual error for raise mode */
+        PyErr_SetString(PyExc_IndexError,
+                    "cannot do a non-empty take from an empty axes.");
+        goto fail;
+    }
+
     func = PyArray_DESCR(self)->f->fasttake;
     if (func == NULL) {
         switch(clipmode) {

numpy/core/tests/test_indexerrors.py

@@ -10,6 +10,8 @@ def test_arraytypes_fasttake(self):
         x = np.empty((2, 3, 0, 4))
         assert_raises(IndexError, x.take, [0], axis=2)
         assert_raises(IndexError, x.take, [1], axis=2)
+        assert_raises(IndexError, x.take, [0], axis=2, mode='wrap')
+        assert_raises(IndexError, x.take, [0], axis=2, mode='clip')
 
     def test_take_from_object(self):
         # Check exception taking from object array
@@ -21,6 +23,8 @@ def test_take_from_object(self):
         assert_raises(IndexError, d.take, [1], axis=1)
         assert_raises(IndexError, d.take, [0], axis=1)
         assert_raises(IndexError, d.take, [0])
+        assert_raises(IndexError, d.take, [0], mode='wrap')
+        assert_raises(IndexError, d.take, [0], mode='clip')
 
     def test_multiindex_exceptions(self):
         a = np.empty(5, dtype=object)