+
+/* helper for the common pattern:
+ CvNAMED(sv) ? CvNAME_HEK((CV *)sv) : GvNAME_HEK(CvGV(sv))
+*/
+#define CvGvNAME_HEK(sv) ( \
+ CvNAMED((CV*)sv) ? \
+ ((XPVCV*)MUTABLE_PTR(SvANY((SV*)sv)))->xcv_gv_u.xcv_hek\
+ : GvNAME_HEK(CvGV( (SV*) sv)) \
+ )
+
+/* This lowers the reference count of the previous value, but does *not*