Objects are passed by-reference since PHP 5. In `_get_custom_object_labels()`, cast `$object->labels` back to `object` before returning. This function is weird.

Adds unit test.

Props Toro_Unit.
Fixes #33023.

Built from https://develop.svn.wordpress.org/trunk@34102


git-svn-id: http://core.svn.wordpress.org/trunk@34070 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post-functions.php

@@ -1393,6 +1393,8 @@ function _get_custom_object_labels( $object, $nohier_vs_hier_defaults ) {
 		$defaults[$key] = $object->hierarchical ? $value[1] : $value[0];
 	}
 	$labels = array_merge( $defaults, $object->labels );
+	$object->labels = (object) $object->labels;
+	
 	return (object) $labels;
 }
 

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34101';
+$wp_version = '4.4-alpha-34102';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.