Revert "chore, allow clang to fail (bug in clang triggered)"

This reverts commit 53f4bb7363323d01a3427bdf9eff341193db051b.
hack, work around clang bug in xross-quo

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
hygiene, rename global graph object in xross-quo (to avoid shadows)

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'bld/clang' into next

* bld/clang:
  hygiene, rename global graph object in xross-quo (to avoid shadows)
  hack, work around clang bug in xross-quo