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-rw-r--r--gcc/ada/exp_ch4.adb11
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ada/exp_ch4.adb b/gcc/ada/exp_ch4.adb
index 6dc6aee..cbc5aaf 100644
--- a/gcc/ada/exp_ch4.adb
+++ b/gcc/ada/exp_ch4.adb
@@ -8143,11 +8143,16 @@ package body Exp_Ch4 is
Sindic : constant Node_Id :=
Subtype_Indication (Component_Definition (N));
begin
- -- Unconstrained nominal type. In the case of a constraint
- -- present, the node kind would have been N_Subtype_Indication.
+ -- If the component declaration includes a subtype indication
+ -- it is not an unchecked_union. Otherwise verify that it carries
+ -- the Unchecked_Union flag and is either a record or a private
+ -- type. A Record_Subtype declared elsewhere does not qualify,
+ -- even if its parent type carries the flag.
return Nkind (Sindic) in N_Expanded_Name | N_Identifier
- and then Is_Unchecked_Union (Base_Type (Etype (Sindic)));
+ and then Is_Unchecked_Union (Base_Type (Etype (Sindic)))
+ and then (Ekind (Entity (Sindic)) in
+ E_Private_Type | E_Record_Type);
end Unconstrained_UU_In_Component_Declaration;
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