From 116e8b669eddc96b0294c6cf114372a0d346072e Mon Sep 17 00:00:00 2001
From: Bob Duff <duff@adacore.com>
Date: Thu, 18 Jun 2020 09:10:33 -0400
Subject: [PATCH] [Ada] Bug in Enum_Subtype'Image in Ada 2020 mode

gcc/ada/

	* exp_imgv.adb (Expand_Image_Attribute): Add Root_Type, so
	constrained subtypes work.
---
 gcc/ada/exp_imgv.adb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/ada/exp_imgv.adb b/gcc/ada/exp_imgv.adb
index 8cad102..41e4b1b 100644
--- a/gcc/ada/exp_imgv.adb
+++ b/gcc/ada/exp_imgv.adb
@@ -483,7 +483,7 @@ package body Exp_Imgv is
       --  underlying type.
 
       if Ada_Version >= Ada_2020 then
-         Rtyp := Underlying_Type (Ptyp);
+         Rtyp := Underlying_Type (Root_Type (Ptyp));
       else
          Rtyp := Root_Type (Ptyp);
       end if;
-- 
2.7.4