linux

Resolved warning C4127: conditional expression is constant (#3923) #5980

Job	Run time
build (g++-4.8, Debug, 11)	1m 15s
build (g++-4.8, Release, 11)	1m 49s
build (g++-10, Debug, 11)	1m 17s
build (g++-10, Release, 11)	2m 6s
build (clang++-9, Debug, 11)	1m 14s
build (clang++-9, Release, 11)	2m 7s
build (g++-8, Debug, 14, sudo apt install g++-8)	1m 38s
build (g++-8, Debug, 17, sudo apt install g++-8)	1m 29s
build (g++-9, Debug, 17)	1m 35s
build (g++-10, Debug, 17)	1m 27s
build (g++-11, Debug, 20, sudo apt install g++-11)	1m 42s
build (clang++-8, Debug, 17, -stdlib=libc++, sudo apt install clang-8 libc++-8-dev libc++abi-8-dev)	1m 29s
build (clang++-9, Debug, 17, -DFMT_FUZZ=ON -DFMT_FUZZ_LINKMAIN=ON, sudo apt install clang-9)	2m 4s
build (clang++-11, Debug, 20)	1m 46s
build (clang++-11, Debug, 20, -stdlib=libc++, sudo apt install libc++-11-dev libc++abi-11-dev)	1m 53s
	24m 51s

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