Fix #15034 FN arrayIndexOutOfBounds (ternary in subfunction) #1623

Job	Run time
build (asan, -DANALYZE_ADDRESS=On, true, process, false)	15m 7s
build (tsan, -DANALYZE_THREAD=On, false, thread, false, --executor=thread --error-exitcode=0)	13m 15s
build (ubsan, -DANALYZE_UNDEFINED=On, true, process, true)	42m 52s
	1h 11m 14s

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