I seem to have missed quite a few in

    commit 9f4d23c1
    filter out some of the AST in the plugins

This nets me another 14% improvement

Change-Id: I39b980b49ced560f768045dbedd3ddfef29306c1
Reviewed-on: https://gerrit.libreoffice.org/59501
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>