Fix compilation error

[saraedum]

fixes #268.

Checklist

• [x] Added an entry in doc/news/.
• [x] Added a test/benchmark for this change. No, it's hard to test with this compiler in our setup.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (a1e81a7) 92.23% compared to head (2fcaf80) 92.23%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #269 +/- ## ======================================= Coverage 92.23% 92.23% ======================================= Files 105 105 Lines 2125 2125 ======================================= Hits 1960 1960 Misses 165 165 ```

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