bpo-41061: Fix incorrect expressions in hashtable (GH-21028)


Signed-off-by: Christian Heimes <christian@python.org>
(cherry picked from commit 4901ea952691ad70aae21cfe04b6bd363b5a6aff)

Co-authored-by: Christian Heimes <christian@python.org>
diff --git a/Python/hashtable.c b/Python/hashtable.c
index b92e8ca..09501de 100644
--- a/Python/hashtable.c
+++ b/Python/hashtable.c
@@ -133,7 +133,7 @@
 {
     Py_uhash_t key_hash = ht->hash_func(key);
     size_t index = key_hash & (ht->nbuckets - 1);
-    _Py_hashtable_entry_t *entry = entry = TABLE_HEAD(ht, index);
+    _Py_hashtable_entry_t *entry = TABLE_HEAD(ht, index);
     while (1) {
         if (entry == NULL) {
             return NULL;
@@ -155,7 +155,7 @@
 {
     Py_uhash_t key_hash = _Py_hashtable_hash_ptr(key);
     size_t index = key_hash & (ht->nbuckets - 1);
-    _Py_hashtable_entry_t *entry = entry = TABLE_HEAD(ht, index);
+    _Py_hashtable_entry_t *entry = TABLE_HEAD(ht, index);
     while (1) {
         if (entry == NULL) {
             return NULL;