/* On OP_ENTERITER, loop var is per-thread */
/* On pushre, re is /\s+/ imp. by split " " */
/* On regcomp, "use re 'eval'" was in scope */
+ /* On OP_READLINE, was <$filehandle> */
/* old names; don't use in new code, but don't break them, either */
#define OPf_LIST OPf_WANT_LIST