From 6a00c7012636b706819d0e2d782ae0e7e0a29997 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Mon, 4 Nov 2024 14:26:49 +0200
Subject: [PATCH] Suppress unreachable code warning in boost::array overload of
 hash_append

---
 include/boost/hash2/hash_append.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/boost/hash2/hash_append.hpp b/include/boost/hash2/hash_append.hpp
index 1f7a9b0..9a76227 100644
--- a/include/boost/hash2/hash_append.hpp
+++ b/include/boost/hash2/hash_append.hpp
@@ -261,6 +261,11 @@ template<class Hash, class Flavor, class T>
 
 // boost::array (constant size, but not tuple-like)
 
+#if defined(BOOST_MSVC)
+# pragma warning(push)
+# pragma warning(disable: 4702) // unreachable code
+#endif
+
 template<class Hash, class Flavor, class T, std::size_t N> BOOST_CXX14_CONSTEXPR void do_hash_append( Hash& h, Flavor const& f, boost::array<T, N> const& v )
 {
     if( v.size() == 0 )
@@ -274,6 +279,10 @@ template<class Hash, class Flavor, class T, std::size_t N> BOOST_CXX14_CONSTEXPR
     }
 }
 
+#if defined(BOOST_MSVC)
+# pragma warning(pop)
+#endif
+
 // unordered containers (is_unordered_range implies is_range)
 
 template<class Hash, class Flavor, class T>