Use obj flag to differentiate RTypedData and RData #650

Job	Run time
omnibus compilations, trigger	4s
omnibus compilations, #1	30m 48s
omnibus compilations, #2	34m 29s
omnibus compilations, #3	33m 42s
omnibus compilations, #4	26m 7s
omnibus compilations, #10	28m 8s
omnibus compilations, #12	25m 9s
omnibus compilations, #5	27m 33s
omnibus compilations, #9	27m 25s
omnibus compilations, #7	33m 9s
omnibus compilations, #8	28m 27s
omnibus compilations, #11	27m 10s
omnibus compilations, #6	27m 56s
omnibus compilations, result	6s
	5h 50m 13s

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