From 3da5ae7a347b7d74765053f4a08eaf7ec58f8735 Mon Sep 17 00:00:00 2001
From: Jason Merrill <jason@redhat.com>
Date: Tue, 6 Dec 2022 09:51:33 -0500
Subject: [PATCH] c++: comment

gcc/cp/ChangeLog:

	* constexpr.cc (maybe_constant_value): Add default arg comments.
---
 gcc/cp/constexpr.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/cp/constexpr.cc b/gcc/cp/constexpr.cc
index 0b43ae4..23a27a9 100644
--- a/gcc/cp/constexpr.cc
+++ b/gcc/cp/constexpr.cc
@@ -8474,7 +8474,8 @@ fold_simple (tree t)
 static GTY((deletable)) hash_map<tree, tree> *cv_cache;
 
 tree
-maybe_constant_value (tree t, tree decl, bool manifestly_const_eval)
+maybe_constant_value (tree t, tree decl /* = NULL_TREE */,
+		      bool manifestly_const_eval /* = false */)
 {
   tree r;
 
-- 
2.7.4