1 files changed, 6 insertions, 0 deletions
diff --git a/runtime/safe_map.h b/runtime/safe_map.h
index e638fdb504..b54f587715 100644
--- a/runtime/safe_map.h
+++ b/runtime/safe_map.h
@@ -46,6 +46,7 @@ class SafeMap {
 
   SafeMap() = default;
   SafeMap(const SafeMap&) = default;
+  SafeMap(SafeMap&&) = default;
   explicit SafeMap(const key_compare& cmp, const allocator_type& allocator = allocator_type())
     : map_(cmp, allocator) {
   }
@@ -151,6 +152,11 @@ class SafeMap {
     return map_ == rhs.map_;
   }
 
+  template <class... Args>
+  std::pair<iterator, bool> emplace(Args&&... args) {
+    return map_.emplace(std::forward<Args>(args)...);
+  }
+
  private:
   ::std::map<K, V, Comparator, Allocator> map_;
 };