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-rw-r--r--gcc/ada/a-crbtgo.ads8
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/ada/a-crbtgo.ads b/gcc/ada/a-crbtgo.ads
index 0415f5be2de..a55e65f8e89 100644
--- a/gcc/ada/a-crbtgo.ads
+++ b/gcc/ada/a-crbtgo.ads
@@ -137,10 +137,10 @@ package Ada.Containers.Red_Black_Trees.Generic_Operations is
generic
with procedure Write_Node
- (Stream : access Root_Stream_Type'Class;
+ (Stream : not null access Root_Stream_Type'Class;
Node : Node_Access);
procedure Generic_Write
- (Stream : access Root_Stream_Type'Class;
+ (Stream : not null access Root_Stream_Type'Class;
Tree : Tree_Type);
-- Used to implement stream attribute T'Write. Generic_Write
-- first writes the number of nodes into Stream, then calls
@@ -149,9 +149,9 @@ package Ada.Containers.Red_Black_Trees.Generic_Operations is
generic
with procedure Clear (Tree : in out Tree_Type);
with function Read_Node
- (Stream : access Root_Stream_Type'Class) return Node_Access;
+ (Stream : not null access Root_Stream_Type'Class) return Node_Access;
procedure Generic_Read
- (Stream : access Root_Stream_Type'Class;
+ (Stream : not null access Root_Stream_Type'Class;
Tree : in out Tree_Type);
-- Used to implement stream attribute T'Read. Generic_Read
-- first clears Tree. It then reads the number of nodes out of