look for nested blocks where the inner block also contains a break
statement.
Change-Id: I1e5b6ca4c42b995c9479a68b34a1e2f1eb015f57
Reviewed-on: https://gerrit.libreoffice.org/74946
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>