jb:k.benchmarks;*.lisp.>
TRAVERSE -- DEFSTRUCT
DERIV -- MAPCAR
TAK (CTAK) -- Catch/Throw

(hw:read-microsecond-clock)  does not compile
(hw:write-microsecond-clock (hw:unboxed-constant 0)) does not compile

(defvar foo 23) is leaving foo unbound
(defconstant foo 3) is not compiled into coded unless (1+ foo)
changes to QCOPT
couldn't find ref for puzzle on setq of *foo* see dj:wkf.k;start-kbug-stack.lisp
won't compile defstruct without error on parents in traverse.
couldn't find ref for try on ar-1 in traing test.