[pypy-commit] pypy default: Mark IdentityDict storage as being nonull.

[alex_gaynor]

Author: Alex Gaynor <alex.gaynor at gmail.com>
Branch: 
Changeset: r45958:f1360c0d409b
Date: 2011-07-24 16:34 -0700
http://bitbucket.org/pypy/pypy/changeset/f1360c0d409b/

Log:	Mark IdentityDict storage as being nonull.

diff --git a/pypy/objspace/std/identitydict.py b/pypy/objspace/std/identitydict.py
--- a/pypy/objspace/std/identitydict.py
+++ b/pypy/objspace/std/identitydict.py
@@ -2,6 +2,7 @@
 ## dict strategy (see dict_multiobject.py)
 
 from pypy.rlib import rerased
+from pypy.rlib.debug import mark_dict_non_null
 from pypy.objspace.std.dictmultiobject import (AbstractTypedStrategy,
                                                DictStrategy,
                                                IteratorImplementation,
@@ -65,7 +66,9 @@
         return wrapped
 
     def get_empty_storage(self):
-        return self.erase({})
+        d = {}
+        mark_dict_non_null(d)
+        return self.erase(d)
 
     def is_correct_type(self, w_obj):
         w_type = self.space.type(w_obj)