Fix wrong macro usage and add missing NEWS entry

Author: nikic

NEWS

@@ -10,6 +10,8 @@ PHP                                                                        NEWS
     details here: https://wiki.php.net/rfc/cli_process_title. (Keyur)
   . Fixed bug #64370 (microtime(true) less than $_SERVER['REQUEST_TIME_FLOAT']).
     (Anatol)
+  . Added support for non-scalar Iterator keys in foreach
+    (https://wiki.php.net/rfc/foreach-non-scalar-keys). (Nikita Popov)
 
 - mysqlnd
   . Fixed bug #63530 (mysqlnd_stmt::bind_one_parameter crashes, uses wrong alloc

Zend/zend_API.c

@@ -1521,7 +1521,7 @@ ZEND_API int array_set_zval_key(HashTable *ht, zval *key, zval *value) /* {{{ */
 			result = zend_hash_index_update(ht, Z_LVAL_P(key), &value, sizeof(zval *), NULL);
 			break;
 		case IS_DOUBLE:
-			result = zend_hash_index_update(ht, zend_dval_to_lval(Z_LVAL_P(key)), &value, sizeof(zval *), NULL);
+			result = zend_hash_index_update(ht, zend_dval_to_lval(Z_DVAL_P(key)), &value, sizeof(zval *), NULL);
 			break;
 		default:
 			zend_error(E_WARNING, "Illegal offset type");