1 files changed, 15 insertions, 4 deletions
diff --git a/gcc/ada/a-cohase.ads b/gcc/ada/a-cohase.ads
index 0bb370bfe83..96944cd2b2f 100644
--- a/gcc/ada/a-cohase.ads
+++ b/gcc/ada/a-cohase.ads
@@ -34,6 +34,7 @@
 private with Ada.Containers.Hash_Tables;
 private with Ada.Streams;
 private with Ada.Finalization;
+with Ada.Iterator_Interfaces;
 
 generic
    type Element_Type is private;
@@ -49,7 +50,11 @@ package Ada.Containers.Hashed_Sets is
    pragma Preelaborate;
    pragma Remote_Types;
 
-   type Set is tagged private;
+   type Set is tagged private
+   with
+      Default_Iterator  => Iterate,
+      Iterator_Element  => Element_Type;
+
    pragma Preelaborable_Initialization (Set);
 
    type Cursor is private;
@@ -63,6 +68,12 @@ package Ada.Containers.Hashed_Sets is
    --  Cursor objects declared without an initialization expression are
    --  initialized to the value No_Element.
 
+   function Has_Element (Position : Cursor) return Boolean;
+   --  Equivalent to Position /= No_Element
+
+   package Set_Iterator_Interfaces is new
+     Ada.Iterator_Interfaces (Cursor, Has_Element);
+
    function "=" (Left, Right : Set) return Boolean;
    --  For each element in Left, set equality attempts to find the equal
    --  element in Right; if a search fails, then set equality immediately
@@ -303,9 +314,6 @@ package Ada.Containers.Hashed_Sets is
    function Contains (Container : Set; Item : Element_Type) return Boolean;
    --  Equivalent to Find (Container, Item) /= No_Element
 
-   function Has_Element (Position : Cursor) return Boolean;
-   --  Equivalent to Position /= No_Element
-
    function Equivalent_Elements (Left, Right : Cursor) return Boolean;
    --  Returns the result of calling Equivalent_Elements with the elements of
    --  the nodes designated by cursors Left and Right.
@@ -327,6 +335,9 @@ package Ada.Containers.Hashed_Sets is
       Process   : not null access procedure (Position : Cursor));
    --  Calls Process for each node in the set
 
+   function Iterate
+     (Container : Set) return Set_Iterator_Interfaces.Forward_Iterator'Class;
+
    generic
       type Key_Type (<>) is private;