diff options
Diffstat (limited to 'cpp/src/lookup_key.cc')
| -rw-r--r-- | cpp/src/lookup_key.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/cpp/src/lookup_key.cc b/cpp/src/lookup_key.cc index fbd9a50..c0c7b86 100644 --- a/cpp/src/lookup_key.cc +++ b/cpp/src/lookup_key.cc @@ -109,7 +109,8 @@ void LookupKey::FromLookupKey(const LookupKey& parent, assert(parent.nodes_.size() < arraysize(kHierarchy)); assert(!child_node.empty()); - nodes_ = parent.nodes_; + // Copy its nodes if this isn't the parent object. + if (this != &parent) nodes_ = parent.nodes_; AddressField child_field = kHierarchy[nodes_.size()]; nodes_.insert(std::make_pair(child_field, child_node)); } |