Fix #14796: FP assertWithSideEffect for member functions without defi… #1195

Job	Run time
build (ubsan, -DANALYZE_UNDEFINED=On, true, process, true)	55m 18s
build (tsan, -DANALYZE_THREAD=On, false, thread, false, --executor=thread --error-exitcode=0)	12m 24s
build (asan, -DANALYZE_ADDRESS=On, true, process, false)	13m 21s
	1h 21m 3s

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