- PMf_MULTILINE PMf_SINGLELINE PMf_FOLD PMf_EXTENDED),
- ($] < 5.008004 ? () : 'OPpSORT_INPLACE'),
- ($] < 5.008006 ? () : qw(OPpSORT_DESCEND OPpITER_REVERSED)),
- ($] < 5.008009 ? () : qw(OPpCONST_NOVER OPpPAD_STATE)),
- ($] < 5.009 ? 'PMf_SKIPWHITE' : qw(RXf_SKIPWHITE)),
- ($] < 5.011 ? 'CVf_LOCKED' : 'OPpREVERSE_INPLACE'),
- ($] < 5.013 ? () : 'PMf_NONDESTRUCT'),
- ($] < 5.015003 ? qw(OPpCONST_ARYBASE) : ()),
- ($] < 5.015005 ? () : qw(OPpEVAL_BYTES));