Add write barriers on Hash#rehash

1 files changed, 3 insertions, 0 deletions

diff --git a/hash.c b/hash.c
index 3669f55d50..01d3e796ec 100644
--- a/hash.c
+++ b/hash.c
@@ -1939,6 +1939,9 @@ rb_hash_rehash_i(VALUE key, VALUE value, VALUE arg)
     else {
         st_insert(RHASH_ST_TABLE(arg), (st_data_t)key, (st_data_t)value);
     }
+
+    RB_OBJ_WRITTEN(arg, Qundef, key);
+    RB_OBJ_WRITTEN(arg, Qundef, value);
     return ST_CONTINUE;
 }