Ticket #11330: 11330.5.diff

src/wp-includes/query.php

@@ -1512 +1512 @@
                 } else {
                         // Look for archive queries. Dates, categories, authors, search, post type archives.
 
-                        if ( ! is_admin() & isset( $this->query['s'] ) ) {
+                        if ( isset( $this->query['s'] ) ) {
                                 $this->is_search = true;
                         }
 
@@ -2482 +2482 @@
                 // If a search pattern is specified, load the posts that match.
                 if ( ! empty( $q['s'] ) ) {
                         $search = $this->parse_search( $q );
-                } elseif ( $this->is_search ) {
+                } elseif ( ! $this->is_admin && $this->is_search ) {
                         $search = ' AND 0';
                 }