From ee0ef8ca1c57d05cab8ad8f9c5a6c9cdad2db160 Mon Sep 17 00:00:00 2001
From: Sergiu Deitsch <sergiu.deitsch@gmail.com>
Date: Thu, 11 Jan 2024 10:22:20 +0100
Subject: [PATCH] make operator<< overload constexpr

---
 src/glog/logging.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/glog/logging.h b/src/glog/logging.h
index 6e36eaa..4743966 100644
--- a/src/glog/logging.h
+++ b/src/glog/logging.h
@@ -1419,7 +1419,7 @@ T CheckNotNull(const char* file, int line, const char* names, T&& t) {
 struct LogMessageVoidify {
   // This has to be an operator with a precedence lower than << but
   // higher than ?:
-  void operator&(std::ostream&) noexcept {}
+  constexpr void operator&(std::ostream&) const noexcept {}
 };
 
 }  // namespace internal