From 8295f02b36bc62584b71550cd48a5c56b173ee4c Mon Sep 17 00:00:00 2001
From: Christoph Hertzberg <chtz@informatik.uni-bremen.de>
Date: Fri, 24 Aug 2018 23:22:20 +0200
Subject: Hide "maybe uninitialized" warning on gcc

---
 unsupported/test/cxx11_tensor_block_access.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'unsupported/test/cxx11_tensor_block_access.cpp')

diff --git a/unsupported/test/cxx11_tensor_block_access.cpp b/unsupported/test/cxx11_tensor_block_access.cpp
index 24a95ab12..74ce2cc80 100644
--- a/unsupported/test/cxx11_tensor_block_access.cpp
+++ b/unsupported/test/cxx11_tensor_block_access.cpp
@@ -138,8 +138,8 @@ template <typename T, int Layout, int NumDims>
 static void UpdateCoeffSet(
     const internal::TensorBlock<T, Index, NumDims, Layout>& block,
     Index first_coeff_index, int dim_index, std::set<Index>* visited_coeffs) {
-  const DSizes<Index, NumDims> block_sizes = block.block_sizes();
-  const DSizes<Index, NumDims> tensor_strides = block.tensor_strides();
+  const DSizes<Index, NumDims>& block_sizes = block.block_sizes();
+  const DSizes<Index, NumDims>& tensor_strides = block.tensor_strides();
 
   for (int i = 0; i < block_sizes[dim_index]; ++i) {
     if (tensor_strides[dim_index] == 1) {
-- 
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