From bc56d27de97ecea813279ce5ba45b278dcccfe21 Mon Sep 17 00:00:00 2001
From: Nathan Sidwell <nathan@acm.org>
Date: Mon, 8 Mar 2021 11:55:26 -0800
Subject: C++: Enable c++2b module mode [PR 99436]

This adds support for c++23 mode to modules, and enables such testing.

	PR c++/99436
	gcc/cp/
	* name-lookup.c (get_cxx_dialect_name): Add cxx23.
	gcc/testsuite/
	* g++.dg/modules/modules.exp (MOD_STD_LIST): Add 2b.
---
 gcc/cp/name-lookup.c                     | 2 ++
 gcc/testsuite/g++.dg/modules/modules.exp | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

(limited to 'gcc')

diff --git a/gcc/cp/name-lookup.c b/gcc/cp/name-lookup.c
index 092fa6b..28271ba 100644
--- a/gcc/cp/name-lookup.c
+++ b/gcc/cp/name-lookup.c
@@ -6963,6 +6963,8 @@ get_cxx_dialect_name (enum cxx_dialect dialect)
       return "C++17";
     case cxx20:
       return "C++20";
+    case cxx23:
+      return "C++23";
     }
 }
 
diff --git a/gcc/testsuite/g++.dg/modules/modules.exp b/gcc/testsuite/g++.dg/modules/modules.exp
index 38654ca..da7afc2 100644
--- a/gcc/testsuite/g++.dg/modules/modules.exp
+++ b/gcc/testsuite/g++.dg/modules/modules.exp
@@ -35,7 +35,7 @@ if ![info exists DEFAULT_CXXFLAGS] then {
     set DEFAULT_CXXFLAGS " -pedantic-errors -Wno-long-long"
 }
 set DEFAULT_MODFLAGS $DEFAULT_CXXFLAGS
-set MOD_STD_LIST { 17 2a }
+set MOD_STD_LIST { 17 2a 2b }
 
 dg-init
 
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