Ticket #34594: 34594.0.patch

src/wp-includes/class-wp-customize-manager.php

@@ -1302 +1302 @@
          */
         protected function _cmp_priority( $a, $b ) {
                 if ( $a->priority === $b->priority ) {
-                        return $a->instance_number - $a->instance_number;
+                        return $a->instance_number - $b->instance_number;
                 } else {
                         return $a->priority - $b->priority;
                 }