+#if defined (DEBUGGING) && defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
+# define COP_SEQ_RANGE_LOW(sv) \
+ (({ const SV *const _sv_cop_seq_range_low = (const SV *) (sv); \
+ assert(SvTYPE(_sv_cop_seq_range_low) == SVt_NV \
+ || SvTYPE(_sv_cop_seq_range_low) >= SVt_PVNV); \
+ assert(SvTYPE(_sv_cop_seq_range_low) != SVt_PVAV); \
+ assert(SvTYPE(_sv_cop_seq_range_low) != SVt_PVHV); \
+ assert(SvTYPE(_sv_cop_seq_range_low) != SVt_PVCV); \
+ assert(SvTYPE(_sv_cop_seq_range_low) != SVt_PVFM); \
+ assert(!isGV_with_GP(_sv_cop_seq_range_low)); \
+ ((XPVNV*) MUTABLE_PTR(SvANY(_sv_cop_seq_range_low)))->xnv_u.xpad_cop_seq.xlow; \
+ }))
+# define COP_SEQ_RANGE_HIGH(sv) \
+ (({ const SV *const _sv_cop_seq_range_high = (const SV *) (sv); \
+ assert(SvTYPE(_sv_cop_seq_range_high) == SVt_NV \
+ || SvTYPE(_sv_cop_seq_range_high) >= SVt_PVNV); \
+ assert(SvTYPE(_sv_cop_seq_range_high) != SVt_PVAV); \
+ assert(SvTYPE(_sv_cop_seq_range_high) != SVt_PVHV); \
+ assert(SvTYPE(_sv_cop_seq_range_high) != SVt_PVCV); \
+ assert(SvTYPE(_sv_cop_seq_range_high) != SVt_PVFM); \
+ assert(!isGV_with_GP(_sv_cop_seq_range_high)); \
+ ((XPVNV*) MUTABLE_PTR(SvANY(_sv_cop_seq_range_high)))->xnv_u.xpad_cop_seq.xhigh; \
+ }))
+# define PARENT_PAD_INDEX(sv) \
+ (({ const SV *const _sv_parent_pad_index = (const SV *) (sv); \
+ assert(SvTYPE(_sv_parent_pad_index) == SVt_NV \
+ || SvTYPE(_sv_parent_pad_index) >= SVt_PVNV); \
+ assert(SvTYPE(_sv_parent_pad_index) != SVt_PVAV); \
+ assert(SvTYPE(_sv_parent_pad_index) != SVt_PVHV); \
+ assert(SvTYPE(_sv_parent_pad_index) != SVt_PVCV); \
+ assert(SvTYPE(_sv_parent_pad_index) != SVt_PVFM); \
+ assert(!isGV_with_GP(_sv_parent_pad_index)); \
+ ((XPVNV*) MUTABLE_PTR(SvANY(_sv_parent_pad_index)))->xnv_u.xpad_cop_seq.xlow; \
+ }))
+# define PARENT_FAKELEX_FLAGS(sv) \
+ (({ const SV *const _sv_parent_fakelex_flags = (const SV *) (sv); \
+ assert(SvTYPE(_sv_parent_fakelex_flags) == SVt_NV \
+ || SvTYPE(_sv_parent_fakelex_flags) >= SVt_PVNV); \
+ assert(SvTYPE(_sv_parent_fakelex_flags) != SVt_PVAV); \
+ assert(SvTYPE(_sv_parent_fakelex_flags) != SVt_PVHV); \
+ assert(SvTYPE(_sv_parent_fakelex_flags) != SVt_PVCV); \
+ assert(SvTYPE(_sv_parent_fakelex_flags) != SVt_PVFM); \
+ assert(!isGV_with_GP(_sv_parent_fakelex_flags)); \
+ ((XPVNV*) MUTABLE_PTR(SvANY(_sv_parent_fakelex_flags)))->xnv_u.xpad_cop_seq.xhigh; \
+ }))
+#else
+# define COP_SEQ_RANGE_LOW(sv) \
+ (0 + (((XPVNV*) SvANY(sv))->xnv_u.xpad_cop_seq.xlow))
+# define COP_SEQ_RANGE_HIGH(sv) \
+ (0 + (((XPVNV*) SvANY(sv))->xnv_u.xpad_cop_seq.xhigh))
+
+
+# define PARENT_PAD_INDEX(sv) \
+ (0 + (((XPVNV*) SvANY(sv))->xnv_u.xpad_cop_seq.xlow))
+# define PARENT_FAKELEX_FLAGS(sv) \
+ (0 + (((XPVNV*) SvANY(sv))->xnv_u.xpad_cop_seq.xhigh))
+#endif
+
+/* Flags set in the SvIVX field of FAKE namesvs */
+
+#define PAD_FAKELEX_ANON 1 /* the lex is declared in an ANON, or ... */
+#define PAD_FAKELEX_MULTI 2 /* the lex can be instantiated multiple times */