(*({ GV * const zzzz = (GV *) (gv); \
assert(isGV_with_GP(zzzz)); \
assert(SvTYPE(zzzz) == SVt_PVGV || SvTYPE(zzzz) >= SVt_PVLV); \
+ assert(!SvVALID(zzzz)); \
&(GvXPVGV(zzzz)->xiv_u.xivu_namehek); \
}))
# define GvNAME_get(gv) ({ assert(GvNAME_HEK(gv)); HEK_KEY(GvNAME_HEK(gv)); })