Fix #11184 FN leakNoVarFunctionCall with assignment #19816

Job	Run time
build_cmake (ubuntu:24.04, true, true)	2m 33s
build_make (ubuntu:24.04)	4m 34s
build_cmake (ubuntu:25.10, true, true)	2m 25s
build_cmake (alpine:3.23, false, false)	4m 22s
build_make (ubuntu:25.10)	3m 22s
build_make (alpine:3.23)	5m 9s
	22m 25s

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