Ticket #32851: 32851.patch

wp-includes/user.php

@@ -2056 +2056 @@
                 }
                 $wpdb->update( $wpdb->users, $data, compact( 'ID' ) );
                 $user_id = (int) $ID;
+                $wpdb->update( $wpdb->comments, array( 'comment_author_email' => $user_email, 'comment_author_url' => $user_url ), array( 'user_id' => $user_id ) );
         } else {
                 $wpdb->insert( $wpdb->users, $data + compact( 'user_login' ) );
                 $user_id = (int) $wpdb->insert_id;