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-rw-r--r--Objects/dictobject.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 70f05e5..82e82a8 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -400,8 +400,10 @@ insertdict(register dictobject *mp, PyObject *key, long hash, PyObject *value)
else {
if (ep->me_key == NULL)
mp->ma_fill++;
- else
- Py_DECREF(ep->me_key);
+ else {
+ assert(ep->me_key == dummy);
+ Py_DECREF(dummy);
+ }
ep->me_key = key;
ep->me_hash = hash;
ep->me_value = value;