Fixed #14930 (Manual: Document hash value for warnings) #20442

Job	Run time
build_cmake (ubuntu:24.04, true, true)	5m 43s
build_cmake (ubuntu:25.10, true, true)	7m 41s
build_make (alpine:3.23)	6m 6s
build_make (ubuntu:25.10)	3m 24s
build_make (ubuntu:24.04)	4m 29s
build_cmake (alpine:3.23, false, false)	4m 39s
	32m 2s

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