Ticket #30394: patch

wp-includes/post.php

@@ -229 +229 @@
          */
         $file = apply_filters( 'update_attached_file', $file, $attachment_id );
 
-        if ( $file = _wp_relative_upload_path( $file ) )
-                return update_post_meta( $attachment_id, '_wp_attached_file', $file );
-        else
+        $file = _wp_relative_upload_path( $file );
+
+        if ( ! $file ) {
                 return delete_post_meta( $attachment_id, '_wp_attached_file' );
+        }
+
+        if ( defined( 'IMAGE_EDIT_OVERWRITE' ) && IMAGE_EDIT_OVERWRITE ) {
+                update_post_meta( $attachment_id, '_wp_attached_file', 'temp' . time() );
+        }
+
+        return update_post_meta( $attachment_id, '_wp_attached_file', $file );
 }
 
 /**