Validate oeap_label len #2291

Job	Run time
build on ubuntu:24.04 (gcc,false)	1m 29s
build on ubuntu:24.04 (clang,false)	1m 28s
build on ubuntu:23.10 (gcc,false)	1m 29s
build on ubuntu:23.10 (clang,false)	1m 24s
build on ubuntu:22.04 (gcc,false)	1m 17s
build on ubuntu:22.04 (clang,true)	1m 57s
build on ubuntu:20.04 (gcc,false)	1m 30s
build on ubuntu:20.04 (clang,false)	1m 33s
build on debian:12 (gcc,false)	1m 26s
build on debian:12 (clang,false)	1m 44s
build on debian:11 (gcc,false)	1m 14s
build on debian:11 (clang,false)	1m 40s
build on fedora:40 (gcc, true)	1m 39s
build on fedora:40 (clang, false)	1m 51s
build on fedora:39 (gcc, false)	1m 48s
build on fedora:39 (clang, false)	1m 55s
build on macos (macos-latest)	43s
build on macos (macos-latest-xlarge)	46s
run unit tests (ubuntu:22.04, clang)	12m 29s
run unit tests (fedora:40, gcc)	14m 46s
	54m 8s

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