WARNING: FOO.c: enum pmc_event has too many values: 1930 > 1023

Hi all!

I just found the line in the subject in our jenkinsbuild  log in both
amd64 and i386 case (we don't modified these files):

http://nyi-01.build.hardenedbsd.org:8180/jenkins/job/HardenedBSD-master-i386/56/console
http://nyi-01.build.hardenedbsd.org:8180/jenkins/job/HardenedBSD-master-amd64/58/consoleFull

And more similar lines:

WARNING: kern_pmc.c: enum pmc_event has too many values: 1930 > 1023
WARNING: kern_rwlock.c: enum pmc_event has too many values: 1930 > 1023
WARNING: kern_sx.c: enum pmc_event has too many values: 1930 > 1023
WARNING: kern_clock.c: enum pmc_event has too many values: 1930 > 1023
WARNING: kern_mutex.c: enum pmc_event has too many values: 1930 > 1023
WARNING: trap.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_soft.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_intel.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_amd.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_tsc.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_x86.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_logging.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_piv.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_uncore.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_core.c: enum pmc_event has too many values: 1930 > 1023
WARNING: hwpmc_mod.c: enum pmc_event has too many values: 1930 > 1023
WARNING: kern_lock.c: enum pmc_event has too many values: 1930 > 1023

and some other hwpmc related warnings too:
--- kern_pmc.o ---
/jenkins/workspace/HardenedBSD-master-amd64/sys/kern/kern_pmc.c:290:32:
warning: comparison of constant 131072 with expression of type 'enum
pmc_event' is always false
[-Wtautological-constant-out-of-range-compare]
                KASSERT(ps->ps_ev.pm_ev_code >= PMC_EV_SOFT_FIRST &&
                        ~~~~~~~~~~~~~~~~~~~~ ^  ~~~~~~~~~~~~~~~~~
/jenkins/workspace/HardenedBSD-master-amd64/sys/sys/systm.h:84:24:
note: expanded from macro 'KASSERT'
        if (__predict_false(!(exp)))                                    \
                              ^
/jenkins/workspace/HardenedBSD-master-amd64/sys/sys/cdefs.h:453:51:
note: expanded from macro '__predict_false'
#define __predict_false(exp)    __builtin_expect((exp), 0)
                                                  ^
/jenkins/workspace/HardenedBSD-master-amd64/sys/kern/kern_pmc.c:291:28:
warning: comparison of constant 135167 with expression of type 'enum
pmc_event' is always true
[-Wtautological-constant-out-of-range-compare]
                    ps->ps_ev.pm_ev_code <= PMC_EV_SOFT_LAST,
                    ~~~~~~~~~~~~~~~~~~~~ ^
/jenkins/workspace/HardenedBSD-master-amd64/sys/sys/systm.h:84:24:
note: expanded from macro 'KASSERT'
        if (__predict_false(!(exp)))                                    \
                              ^
/jenkins/workspace/HardenedBSD-master-amd64/sys/sys/cdefs.h:453:51:
note: expanded from macro '__predict_false'
#define __predict_false(exp)    __builtin_expect((exp), 0)
                                                  ^
--- kern_prot.o ---
--- kern_pmc.o ---
/jenkins/workspace/HardenedBSD-master-amd64/sys/kern/kern_pmc.c:307:13:
warning: comparison of constant 131072 with expression of type 'enum
pmc_event' is always false
[-Wtautological-constant-out-of-range-compare]
        KASSERT(ev >= PMC_EV_SOFT_FIRST &&
                ~~ ^  ~~~~~~~~~~~~~~~~~
/jenkins/workspace/HardenedBSD-master-amd64/sys/sys/systm.h:84:24:
note: expanded from macro 'KASSERT'
        if (__predict_false(!(exp)))                                    \
                              ^
/jenkins/workspace/HardenedBSD-master-amd64/sys/sys/cdefs.h:453:51:
note: expanded from macro '__predict_false'
#define __predict_false(exp)    __builtin_expect((exp), 0)
                                                  ^
/jenkins/workspace/HardenedBSD-master-amd64/sys/kern/kern_pmc.c:308:9:
warning: comparison of constant 135167 with expression of type 'enum
pmc_event' is always true
[-Wtautological-constant-out-of-range-compare]
            ev <= PMC_EV_SOFT_LAST,
            ~~ ^
/jenkins/workspace/HardenedBSD-master-amd64/sys/sys/systm.h:84:24:
note: expanded from macro 'KASSERT'
        if (__predict_false(!(exp)))                                    \
                              ^
/jenkins/workspace/HardenedBSD-master-amd64/sys/sys/cdefs.h:453:51:
note: expanded from macro '__predict_false'
#define __predict_false(exp)    __builtin_expect((exp), 0)
                                                  ^