:64-bit
:gencgc
:use-cons-region
:soft-card-marks
:stack-grows-downward-not-upward
:c-stack-is-control-stack
:compare-and-swap-vops
:unwind-to-frame-and-call-vop
:fp-and-pc-standard-save
:alien-callbacks
:cycle-counter
:integer-eql-vop
:undefined-fun-restarts
:call-symbol
:unbind-in-unwind
:no-continue-unwind
