Fix #14175 duplicated nullPointer #19220

Job	Run time
build_cmake (alpine:3.23, false, false)	4m 26s
build_make (alpine:3.23)	43s
build_make (ubuntu:24.04)	45s
build_cmake (ubuntu:24.04, true, true)	1m 48s
build_make (ubuntu:25.10)	52s
build_cmake (ubuntu:25.10, true, true)	12s
	8m 46s

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