ST: Use inline for clist. #1627

Job	Run time
cygwin64-cache	1m 57s
multiple-arch-armv7	20m 58s
multiple-arch-aarch64	21m 24s
utest-regression-blackbox-test	2m 30s
cygwin64	13m 10s
fast	1s
build-ubuntu16	1m 40s
build-cross-aarch64	2m 21s
build-cross-arm	2m 27s
build-centos7	1m 37s
build-ubuntu18	1m 42s
build-ubuntu20	1m 57s
coverage	2m 32s
multiple-arch-amd64	2m 19s
test-done	0s
	1h 16m 35s

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