- Issue #3537: Fix an assertion failure when an empty but presized dict
object was stored in the freelist.
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 038f373..cc083f1 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -241,6 +241,10 @@
_Py_NewReference((PyObject *)mp);
if (mp->ma_fill) {
EMPTY_TO_MINSIZE(mp);
+ } else {
+ /* At least set ma_table and ma_mask; these are wrong
+ if an empty but presized dict is added to freelist */
+ INIT_NONZERO_DICT_SLOTS(mp);
}
assert (mp->ma_used == 0);
assert (mp->ma_table == mp->ma_smalltable);