p4raw-id: //depot/perl@27293
[CvEVAL(cv), CvSPECIAL(cv)]
4: Whether the regexp pointer is in
fact an offset [SvREPADTMP(sv)]
+ 5: On a pad name SV, that slot in the
+ frame AV is a REFCNT'ed reference
+ to a lexical from "outside".
*/
#define SVf_OOK 0x02000000 /* has valid offset value
For a PVHV this means that a