From 35a6099f998c0f77fa5f9296bd7d25414bf1879a Mon Sep 17 00:00:00 2001
From: David Wendt <dwendt@nvidia.com>
Date: Wed, 16 Feb 2022 17:28:43 -0500
Subject: [PATCH] Add const qualifier to MurmurHash3_32::hash_combine

---
 cpp/include/cudf/detail/utilities/hash_functions.cuh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cpp/include/cudf/detail/utilities/hash_functions.cuh b/cpp/include/cudf/detail/utilities/hash_functions.cuh
index 51d58383de4..568fd4afd35 100644
--- a/cpp/include/cudf/detail/utilities/hash_functions.cuh
+++ b/cpp/include/cudf/detail/utilities/hash_functions.cuh
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2021, NVIDIA CORPORATION.
+ * Copyright (c) 2017-2022, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -130,7 +130,7 @@ struct MurmurHash3_32 {
    *
    * @returns A hash value that intelligently combines the lhs and rhs hash values
    */
-  [[nodiscard]] __device__ inline result_type hash_combine(result_type lhs, result_type rhs)
+  constexpr result_type hash_combine(result_type lhs, result_type rhs) const
   {
     result_type combined{lhs};