Merge branch '0.23.x'

CHANGES.rst

@@ -44,6 +44,9 @@ Bugs fixed
 * Misnamed PEP 492 coroutine property ``cr_yieldfrom`` renamed to
   ``cr_await`` to match CPython.
 
+* Compiler crash on ``yield`` in signature annotations and default
+  argument values.  Both are forbidden now.
+
 
 0.23 (2015-08-08)
 =================

Cython/Utility/Coroutine.c

@@ -560,7 +560,8 @@ static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value) {
         #endif
         {
             if (value == Py_None)
-                ret = PyIter_Next(yf);  // FIXME!
+                // FIXME - is this the right thing to do?
+                ret = PyIter_Next(yf);
             else
                 ret = __Pyx_PyObject_CallMethod1(yf, PYIDENT("send"), value);
         }

tests/run/py35_pep492_interop.pyx

@@ -3,9 +3,6 @@
 # tag: pep492, asyncfor, await
 
 
-import types
-
-
 def run_async(coro):
     #assert coro.__class__ is types.GeneratorType
     assert coro.__class__.__name__ in ('coroutine', 'GeneratorWrapper'), coro.__class__.__name__