From aea37bfd370b880c553c1b5c80b7ddba59a28be6 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 26 Jan 2023 12:18:50 -0700
Subject: [PATCH] Fix c++20 build

---
 src/hb-subset-instancer-solver.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-subset-instancer-solver.cc b/src/hb-subset-instancer-solver.cc
index b7d6538a8..76b86e0e9 100644
--- a/src/hb-subset-instancer-solver.cc
+++ b/src/hb-subset-instancer-solver.cc
@@ -43,7 +43,7 @@ struct Triple {
   Triple (float minimum_, float middle_, float maximum_) :
     minimum (minimum_), middle (middle_), maximum (maximum_) {}
 
-  bool operator == (const Triple &o)
+  bool operator == (const Triple &o) const
   {
     return minimum == o.minimum &&
 	   middle  == o.middle  &&