Pages: `get_page_uri()` should return the URI at which the resource being accessed is available at, this may include non-'publish' status posts.

Reverts [34001] and fixes the original issue in #15963 - avoiding a PHP Notice for when the post doesn't exist.

Merges [36094] to the 4.4 branch.
Props tharsheblows.
See #15963.
Fixes #35084.

Built from https://develop.svn.wordpress.org/branches/4.4@36105


git-svn-id: http://core.svn.wordpress.org/branches/4.4@36070 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post.php

@@ -4290,7 +4290,7 @@ function get_page_uri( $page ) {
 
 	foreach ( $page->ancestors as $parent ) {
 		$parent = get_post( $parent );
-		if ( 'publish' === $parent->post_status ) {
+		if ( $parent ) {
 			$uri = $parent->post_name . '/' . $uri;
 		}
 	}

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4.1-alpha-36104';
+$wp_version = '4.4.1-alpha-36105';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.