Remove an erroneous assert #12260

Job	Run time
omnibus compilations, trigger	3s
omnibus compilations, #3	34m 35s
omnibus compilations, #7	30m 10s
omnibus compilations, #1	28m 21s
omnibus compilations, #2	35m 36s
omnibus compilations, #4	26m 16s
omnibus compilations, #6	28m 31s
omnibus compilations, #10	27m 6s
omnibus compilations, #5	29m 5s
omnibus compilations, #12	15m 7s
omnibus compilations, #9	27m 49s
omnibus compilations, #11	24m 56s
omnibus compilations, #8	28m 42s
omnibus compilations, result	6s
	5h 36m 23s

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