Thanks for reporting this, please see bug 1608399. This is due that `Coverity` lacks behind a little bit with the trends from `C++` and it's support for `C++17` has some issues. I hope that by upgrading to the latest version `2019.12` we will have this sorted out.
Bug 1608396 Comment 1 Edit History
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Thanks for reporting this, please see bug 1608399. This is due that `Coverity` lacks behind a little bit with the trends from `C++` and it's support for `C++17` has some issues. I hope that by upgrading to the latest version `2019.12` we will have this sorted out, also this must be complemented by using clang-9 on the analysis side.