Fix test67.py from issue #1303614.

1 files changed, 24 insertions, 0 deletions

diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 08dfcdf..61be8a8 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -4504,6 +4504,29 @@ def test_borrowed_ref_4_segfault():
     finally:
         __builtin__.__import__ = orig_import
 
+def test_losing_dict_ref_segfault():
+    # This used to segfault;
+    # derived from issue #1303614, test67.py
+    if verbose:
+        print "Testing losing dict ref segfault..."
+
+    class Strange(object):
+        def __hash__(self):
+            return hash('hello')
+
+        def __eq__(self, other):
+            x.__dict__ = {}   # the old x.__dict__ is deallocated
+            return False
+
+    class X(object):
+        pass
+
+    v = 123
+    x = X()
+    x.__dict__ = {Strange(): 42, 'hello': v+456}
+    x.hello
+
+
 def test_main():
     weakref_segfault() # Must be first, somehow
     wrapper_segfault()
@@ -4606,6 +4629,7 @@ def test_main():
     test_weakref_in_del_segfault()
     test_borrowed_ref_3_segfault()
     test_borrowed_ref_4_segfault()
+    test_losing_dict_ref_segfault()
 
     if verbose: print "All OK"