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-rw-r--r--gcc/ada/sem_util.adb25
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
index 263e701e11d..9eb9af0b388 100644
--- a/gcc/ada/sem_util.adb
+++ b/gcc/ada/sem_util.adb
@@ -3152,6 +3152,31 @@ package body Sem_Util is
end if;
end Is_Aliased_View;
+ -------------------------
+ -- Is_Ancestor_Package --
+ -------------------------
+
+ function Is_Ancestor_Package
+ (E1 : Entity_Id;
+ E2 : Entity_Id) return Boolean
+ is
+ Par : Entity_Id;
+
+ begin
+ Par := E2;
+ while Present (Par)
+ and then Par /= Standard_Standard
+ loop
+ if Par = E1 then
+ return True;
+ end if;
+
+ Par := Scope (Par);
+ end loop;
+
+ return False;
+ end Is_Ancestor_Package;
+
----------------------
-- Is_Atomic_Object --
----------------------
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