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-rw-r--r--src/runtime/CL/CLTuner.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/CL/CLTuner.cpp b/src/runtime/CL/CLTuner.cpp
index 8f8d3e7c3a..929def24cc 100644
--- a/src/runtime/CL/CLTuner.cpp
+++ b/src/runtime/CL/CLTuner.cpp
@@ -275,7 +275,7 @@ void CLTuner::save_to_file(const std::string &filename) const
std::ofstream fs;
fs.exceptions(std::ifstream::failbit | std::ifstream::badbit);
fs.open(filename, std::ios::out);
- for(auto kernel_data : _lws_table)
+ for(auto const &kernel_data : _lws_table)
{
fs << kernel_data.first << ";" << kernel_data.second[0] << ";" << kernel_data.second[1] << ";" << kernel_data.second[2] << std::endl;
}