Fix #11184 FN leakNoVarFunctionCall with assignment #19819

Job	Run time
build_cmake (ubuntu:25.10, true, true)	5m 29s
build_cmake (ubuntu:24.04, true, true)	5m 18s
build_make (alpine:3.23)	5m 59s
build_make (ubuntu:25.10)	4m 52s
build_make (ubuntu:24.04)	5m 10s
build_cmake (alpine:3.23, false, false)	4m 27s
	31m 15s

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