merge 3.2 (closes #13908)

Misc/NEWS

@@ -10,6 +10,8 @@ What's New in Python 3.3 Alpha 1?
 Core and Builtins
 -----------------
 
+- Issue #13908: Ready types returned from PyType_FromSpec.
+
 - Issue #11235: Fix OverflowError when trying to import a source file whose
   modification time doesn't fit in a 32-bit timestamp.
 

Objects/typeobject.c

@@ -2394,7 +2394,8 @@ static short slotoffsets[] = {
 #include "typeslots.inc"
 };
 
-PyObject* PyType_FromSpec(PyType_Spec *spec)
+PyObject *
+PyType_FromSpec(PyType_Spec *spec)
 {
     PyHeapTypeObject *res = (PyHeapTypeObject*)PyType_GenericAlloc(&PyType_Type, 0);
     char *res_start = (char*)res;
@@ -2434,6 +2435,9 @@ PyObject* PyType_FromSpec(PyType_Spec *spec)
         }
     }
 
+    if (PyType_Ready(&res->ht_type) < 0)
+        goto fail;
+
     return (PyObject*)res;
 
  fail: