From da6b384e3abc6fc75aee0dde1471b558c1e51d02 Mon Sep 17 00:00:00 2001
From: Christian Prochaska <christian.prochaska@genode-labs.com>
Date: Tue, 16 May 2023 11:32:22 +0200
Subject: [PATCH] test-mmio: fix build error with `-std=gnu++20`

Fixes #4890
---
 repos/base/include/util/register.h | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/repos/base/include/util/register.h b/repos/base/include/util/register.h
index 58aebe0fc3..9cac41dc34 100644
--- a/repos/base/include/util/register.h
+++ b/repos/base/include/util/register.h
@@ -134,15 +134,12 @@ struct Genode::Register
 	template <unsigned long _SHIFT, unsigned long _WIDTH>
 	struct Bitfield
 	{
-		enum {
-
-			/**
-			 * Fetch template parameters
-			 */
-			SHIFT          = _SHIFT,
-			WIDTH          = _WIDTH,
-			BITFIELD_WIDTH = WIDTH,
-		};
+		/**
+		 * Fetch template parameters
+		 */
+		static constexpr size_t SHIFT          = _SHIFT;
+		static constexpr size_t WIDTH          = _WIDTH;
+		static constexpr size_t BITFIELD_WIDTH = WIDTH;
 
 		/**
 		 * Get an unshifted mask of this field