Merge branch '0.23.x'

Conflicts:
	CHANGES.rst
	Cython/Compiler/ExprNodes.py
	Cython/Shadow.py

CHANGES.rst

@@ -59,11 +59,20 @@ Bugs fixed
 * Iteration over ``dict(...).items()`` failed to get optimised when dict
   arguments included keyword arguments.
 
+
+0.23.5 (2016-03-26)
+===================
+
+* Truth-testing Unicode strings could waste time and memory in Py3.3+.
+
+* Return values of async functions could be ignored and replaced by ``None``.
+
+* Compiler crash in CPython 3.6.
+
 * Fix prange() to behave identically to range().  The end condition was
   miscalculated when the range was not exactly divisible by the step.
 
 
-
 0.23.4 (2015-10-10)
 ===================
 

Cython/Compiler/ExprNodes.py

@@ -12317,7 +12317,7 @@ class CoerceToBooleanNode(CoercionNode):
         Builtin.set_type:        'PySet_GET_SIZE',
         Builtin.frozenset_type:  'PySet_GET_SIZE',
         Builtin.bytes_type:      'PyBytes_GET_SIZE',
-        Builtin.unicode_type:    'PyUnicode_GET_LENGTH',
+        Builtin.unicode_type:    '__Pyx_PyUnicode_GET_LENGTH',
     }
 
     def __init__(self, arg, env):