From 6cd93dbac127c843448a9239cef55e8d1ded54cc Mon Sep 17 00:00:00 2001
From: Felix Thaler <thaler@cscs.ch>
Date: Tue, 29 Oct 2024 13:56:00 +0100
Subject: [PATCH] Allow reference return values of sid::as_const

---
 include/gridtools/fn/sid_neighbor_table.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/gridtools/fn/sid_neighbor_table.hpp b/include/gridtools/fn/sid_neighbor_table.hpp
index 453f453d3..b4dbd14fe 100644
--- a/include/gridtools/fn/sid_neighbor_table.hpp
+++ b/include/gridtools/fn/sid_neighbor_table.hpp
@@ -62,7 +62,7 @@ namespace gridtools::fn::sid_neighbor_table {
             static_assert(!std::is_same_v<IndexDimension, NeighborDimension>,
                 "The index dimension and the neighbor dimension must be different.");
 
-            const auto const_sid = sid::as_const(std::forward<Sid>(sid));
+            decltype(auto) const_sid = sid::as_const(std::forward<Sid>(sid));
             const auto origin = sid::get_origin(const_sid);
             const auto strides = sid::get_strides(const_sid);