Build

Merge pull request #327 from evaleev/326-stochastic-failures-of-testseri #873

Job	Run time
Repo • macos-latest: clang++ Release	28m 47s
Repo • ubuntu-20.04: g++-10 Release	25m 52s
Repo • macos-latest: clang++ Debug	27m 56s
Repo • ubuntu-20.04: g++-10 Debug	19m 55s
Export • ubuntu-gnu	12m 45s
Export • windows-clang-cl	17m 0s
Export • macos-clang	26m 8s
Export • ubuntu-intel	16m 25s
	2h 54m 48s

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