Check parent/children relative depths during to...
Check parent/children relative depths during to...

Check parent/children relative depths during topology_check()

Even for objects not in any level.
This requires to set Misc depth to UNKNOWN (when inserting them
explicitly or when loading from XML or so).

This commit was SVN r3657.

ggouaillardet/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc