From aa0b35d202bfec57ae25516e98bf2fffe27bb5be Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sun, 3 Nov 2024 20:28:48 +0200
Subject: [PATCH] Remove `constexpr` from pointer overloads; these are never
 constexpr, even if rewritten with bit_cast

---
 include/boost/hash2/hash_append.hpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/boost/hash2/hash_append.hpp b/include/boost/hash2/hash_append.hpp
index 7605cc2..dd3efdc 100644
--- a/include/boost/hash2/hash_append.hpp
+++ b/include/boost/hash2/hash_append.hpp
@@ -175,10 +175,9 @@ template<class Hash, class Flavor, class T>
 }
 
 // pointer types
-// not constexpr
+// never constexpr
 
 template<class Hash, class Flavor, class T>
-    BOOST_CXX14_CONSTEXPR
     typename std::enable_if< std::is_pointer<T>::value, void >::type
     do_hash_append( Hash& h, Flavor const& f, T const& v )
 {
@@ -204,9 +203,9 @@ template<class Hash, class Flavor, class T>
 }
 
 // std::nullptr_t
+// not constexpr for consistency with T*
 
 template<class Hash, class Flavor, class T>
-    BOOST_CXX14_CONSTEXPR
     typename std::enable_if< std::is_same<T, std::nullptr_t>::value, void >::type
     do_hash_append( Hash& h, Flavor const& f, T const& v )
 {