pregcomp(arg, arg + pv.xpv_cur, ((PMOP*)o)) : 0
#define BSET_newsv(sv, arg) sv = NEWSV(666,0); SvUPGRADE(sv, arg)
#define BSET_newop(o, arg) o = (OP*)safemalloc(optype_size[arg])
pregcomp(arg, arg + pv.xpv_cur, ((PMOP*)o)) : 0
#define BSET_newsv(sv, arg) sv = NEWSV(666,0); SvUPGRADE(sv, arg)
#define BSET_newop(o, arg) o = (OP*)safemalloc(optype_size[arg])