Ticket #35012: 35012.diff

src/wp-includes/query.php

@@ -5024 +5024 @@
                         return;
                 }
 
+                // Prevent possible redirect loop (see https://core.trac.wordpress.org/ticket/35012)
+                if ( $link === get_post_permalink() ) {
+                        return;
+                }
+
                 wp_redirect( $link, 301 ); // Permanent redirect
                 exit;
         endif;