fix getType on object/distinct types giving bare generic sym #28224

Job	Run time
ubuntu-20.04 (batch: allowed_failures)	4m 37s
ubuntu-20.04 (batch: 0_3)	29m 59s
ubuntu-20.04 (batch: 1_3)	23m 15s
ubuntu-20.04 (batch: 2_3)	21m 21s
macos-13 (batch: allowed_failures)	5m 38s
macos-13 (batch: 0_3)	1h 0m 37s
macos-13 (batch: 1_3)	37m 54s
macos-13 (batch: 2_3)	25m 21s
	3h 28m 42s

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