Fix #14450: FP functionStatic (unknown function call confused with co… #19253

Job	Run time
build_make (ubuntu:24.04)	2m 54s
build_cmake (ubuntu:25.10, true, true)	2m 58s
build_make (alpine:3.23)	5m 25s
build_cmake (ubuntu:24.04, true, true)	2m 59s
build_make (ubuntu:25.10)	3m 55s
build_cmake (alpine:3.23, false, false)	4m 50s
	23m 1s

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