[ f ##clear boa ] map ;
: dangerous-insn? ( state insn -- ? )
- { [ nip ##peek? ] [ underflowable-peek? ] } 2&& ;
+ [ { [ nip ##peek? ] [ underflowable-peek? ] } 2&& ]
+ [ gc-map-insn? ] bi or ;
: clearing-insns ( assoc insn -- insns' )
[ insn#>> of ] keep 2dup dangerous-insn? [