Ticket #40145: 40145.patch

wp-includes/post.php

@@ -2979 +2979 @@
          */
         do_action( 'wp_trash_post', $post_id );
 
+        if ( wp_is_post_revision( $post_id ) ) {
+                return wp_delete_post( $post_id, true );
+        }
+
         add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status );
         add_post_meta( $post_id, '_wp_trash_meta_time', time() );