From b7eebf9f68c982791c82893ada26c64f6969d638 Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Sun, 14 Feb 2021 06:12:19 +0000
Subject: [PATCH] Compile error fix for Apple clang version 12.0.0

candidate function not viable: 'this'
      argument has type 'const TestMetadata', but method is not marked const
  bool operator<(const TestMetadata &o)
---
 util/test/demos/test_common.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/test/demos/test_common.h b/util/test/demos/test_common.h
index 27db5282d..3f698809f 100644
--- a/util/test/demos/test_common.h
+++ b/util/test/demos/test_common.h
@@ -242,7 +242,7 @@ struct TestMetadata
 
   bool IsAvailable() const { return test->Avail.empty(); }
   const char *AvailMessage() const { return test->Avail.c_str(); }
-  bool operator<(const TestMetadata &o)
+  bool operator<(const TestMetadata &o) const
   {
     if(API != o.API)
       return API < o.API;