#define SVpbm_TAIL 0x20000000
#define SVphv_SHAREKEYS 0x20000000 /* keys live on shared string table */
+#define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */
#ifdef OVERLOAD
#define SVpgv_AM 0x40000000
#define IOf_START 2 /* check for null ARGV and substitute '-' */
#define IOf_FLUSH 4 /* this fp wants a flush after write op */
#define IOf_DIDTOP 8 /* just did top of form */
+#define IOf_UNTAINT 16 /* consider this fp (and it's data) "safe" */
/* The following macros define implementation-independent predicates on SVs. */