ZJIT: Annotate Kernel#frozen? as returning BoolExact #667

Job	Run time
omnibus compilations, trigger	3s
omnibus compilations, #2	34m 48s
omnibus compilations, #1	29m 19s
omnibus compilations, #11	23m 53s
omnibus compilations, #7	34m 6s
omnibus compilations, #4	28m 1s
omnibus compilations, #12	14m 39s
omnibus compilations, #5	27m 30s
omnibus compilations, #6	24m 7s
omnibus compilations, #3	29m 3s
omnibus compilations, #9	23m 14s
omnibus compilations, #8	28m 2s
omnibus compilations, #10	27m 29s
omnibus compilations, result	3s
	5h 24m 17s

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