void View::restack_all_trace_tree_items()
{
// Make a list of owners that is sorted from deepest first
- const auto owners = list_row_item_owners();
+ set< TraceTreeItemOwner* > owners;
+ for (const auto &r : *this)
+ owners.insert(r->owner());
vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end());
sort(sorted_owners.begin(), sorted_owners.end(),
[](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) {