Atomics #609

Job	Run time
pre_job	6s
Dist and Check ubuntu-latest	1m 45s
Distcheck ubuntu-latest	1m 7s
Dist and Check macos-latest	2m 16s
Distcheck macos-latest	1m 50s
Build and Check ubuntu-latest gcc Thread Safe	2m 44s
Build and Check ubuntu-latest g++ Thread Safe	2m 57s
Build and Check ubuntu-latest clang Thread Safe	2m 36s
Build and Check ubuntu-latest gcc	2m 23s
Build and Check ubuntu-latest g++	2m 4s
Build and Check ubuntu-latest clang	1m 27s
Build and Check macos-latest gcc Thread Safe	1m 28s
Build and Check macos-latest clang Thread Safe	3m 1s
Build and Check macos-latest gcc	1m 47s
Build and Check macos-latest clang	1m 50s
	29m 21s

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