From fdd6d85bd75df9a97659220373b5c1e8b3019e26 Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Tue, 18 Jan 2022 17:43:03 -0500
Subject: [PATCH] c++: Use -std=c++20 in testsuite default std list

C++20 has been official for a while now.

gcc/testsuite/ChangeLog:

	* lib/g++-dg.exp: Change 2a to 20.
---
 gcc/testsuite/lib/g++-dg.exp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/lib/g++-dg.exp b/gcc/testsuite/lib/g++-dg.exp
index ea7ec9e..a1bc370 100644
--- a/gcc/testsuite/lib/g++-dg.exp
+++ b/gcc/testsuite/lib/g++-dg.exp
@@ -52,7 +52,7 @@ proc g++-dg-runtest { testcases flags default-extra-flags } {
 	    if { [llength $gpp_std_list] > 0 } {
 		set std_list $gpp_std_list
 	    } else {
-		set std_list { 98 14 17 2a }
+		set std_list { 98 14 17 20 }
 	    }
 	    set option_list { }
 	    foreach x $std_list {
-- 
2.7.4