Patch from SF bug 570483 (Tim Northover).
In a fresh interpreter, type.mro(tuple) would segfault, because
PyType_Ready() isn't called for tuple yet. To fix, call
PyType_Ready(type) if type->tp_dict is NULL.
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 852115b..2129a7b 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -3169,6 +3169,12 @@
except:
pass
+ if verbose:
+ print "Testing SF bug 570483..."
+ # Another segfault only when run early
+ # (before PyType_Ready(tuple) is called)
+ type.mro(tuple)
+
def test_main():
do_this_first()
class_docstrings()