This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
SvPV() does not take a const SV*, which means that the pattern argument
[perl5.git] / proto.h
diff --git a/proto.h b/proto.h
index ce47ac9..a4cc460 100644 (file)
--- a/proto.h
+++ b/proto.h
@@ -3,7 +3,7 @@
  *    proto.h
  *
  *    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- *    2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
+ *    2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -192,7 +192,7 @@ PERL_CALLCONV void  Perl_av_fill(pTHX_ AV *av, I32 fill)
 #define PERL_ARGS_ASSERT_AV_FILL       \
        assert(av)
 
-PERL_CALLCONV I32      Perl_av_len(pTHX_ const AV *av)
+PERL_CALLCONV I32      Perl_av_len(pTHX_ AV *av)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_AV_LEN        \
@@ -327,13 +327,18 @@ PERL_CALLCONV void        Perl_croak(pTHX_ const char* pat, ...)
 PERL_CALLCONV void     Perl_vcroak(pTHX_ const char* pat, va_list* args)
                        __attribute__noreturn__;
 
+PERL_CALLCONV void     Perl_croak_xs_usage(pTHX_ const CV *const cv, const char *const params)
+                       __attribute__noreturn__
+                       __attribute__nonnull__(pTHX_1)
+                       __attribute__nonnull__(pTHX_2);
+#define PERL_ARGS_ASSERT_CROAK_XS_USAGE        \
+       assert(cv); assert(params)
+
+
 #if defined(PERL_IMPLICIT_CONTEXT)
 PERL_CALLCONV void     Perl_croak_nocontext(const char* pat, ...)
                        __attribute__noreturn__
-                       __attribute__format__(__printf__,1,2)
-                       __attribute__nonnull__(1);
-#define PERL_ARGS_ASSERT_CROAK_NOCONTEXT       \
-       assert(pat)
+                       __attribute__format__null_ok__(__printf__,1,2);
 
 PERL_CALLCONV OP*      Perl_die_nocontext(const char* pat, ...)
                        __attribute__format__(__printf__,1,2)
@@ -376,34 +381,34 @@ PERL_CALLCONV void        Perl_warner_nocontext(U32 err, const char* pat, ...)
 #define PERL_ARGS_ASSERT_WARNER_NOCONTEXT      \
        assert(pat)
 
-PERL_CALLCONV SV*      Perl_newSVpvf_nocontext(const char* pat, ...)
+PERL_CALLCONV SV*      Perl_newSVpvf_nocontext(const char *const pat, ...)
                        __attribute__format__(__printf__,1,2)
                        __attribute__nonnull__(1);
 #define PERL_ARGS_ASSERT_NEWSVPVF_NOCONTEXT    \
        assert(pat)
 
-PERL_CALLCONV void     Perl_sv_catpvf_nocontext(SV* sv, const char* pat, ...)
+PERL_CALLCONV void     Perl_sv_catpvf_nocontext(SV *const sv, const char *const pat, ...)
                        __attribute__format__(__printf__,2,3)
                        __attribute__nonnull__(1)
                        __attribute__nonnull__(2);
 #define PERL_ARGS_ASSERT_SV_CATPVF_NOCONTEXT   \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_setpvf_nocontext(SV* sv, const char* pat, ...)
+PERL_CALLCONV void     Perl_sv_setpvf_nocontext(SV *const sv, const char *const pat, ...)
                        __attribute__format__(__printf__,2,3)
                        __attribute__nonnull__(1)
                        __attribute__nonnull__(2);
 #define PERL_ARGS_ASSERT_SV_SETPVF_NOCONTEXT   \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_catpvf_mg_nocontext(SV* sv, const char* pat, ...)
+PERL_CALLCONV void     Perl_sv_catpvf_mg_nocontext(SV *const sv, const char *const pat, ...)
                        __attribute__format__(__printf__,2,3)
                        __attribute__nonnull__(1)
                        __attribute__nonnull__(2);
 #define PERL_ARGS_ASSERT_SV_CATPVF_MG_NOCONTEXT        \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_setpvf_mg_nocontext(SV* sv, const char* pat, ...)
+PERL_CALLCONV void     Perl_sv_setpvf_mg_nocontext(SV *const sv, const char *const pat, ...)
                        __attribute__format__(__printf__,2,3)
                        __attribute__nonnull__(1)
                        __attribute__nonnull__(2);
@@ -445,7 +450,7 @@ PERL_CALLCONV SV*   Perl_gv_const_sv(pTHX_ GV* gv)
 #define PERL_ARGS_ASSERT_GV_CONST_SV   \
        assert(gv)
 
-PERL_CALLCONV SV*      Perl_cv_const_sv(pTHX_ CV* cv)
+PERL_CALLCONV SV*      Perl_cv_const_sv(pTHX_ const CV *const cv)
                        __attribute__warn_unused_result__;
 
 PERL_CALLCONV SV*      Perl_op_const_sv(pTHX_ const OP* o, CV* cv)
@@ -897,14 +902,22 @@ PERL_CALLCONV GV* Perl_gv_fetchmeth_autoload(pTHX_ HV* stash, const char* name,
        assert(name)
 
 /* PERL_CALLCONV GV*   Perl_gv_fetchmethod(pTHX_ HV* stash, const char* name)
+                       __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2); */
 #define PERL_ARGS_ASSERT_GV_FETCHMETHOD        \
-       assert(name)
+       assert(stash); assert(name)
 
 PERL_CALLCONV GV*      Perl_gv_fetchmethod_autoload(pTHX_ HV* stash, const char* name, I32 autoload)
+                       __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_GV_FETCHMETHOD_AUTOLOAD       \
-       assert(name)
+       assert(stash); assert(name)
+
+PERL_CALLCONV GV*      Perl_gv_fetchmethod_flags(pTHX_ HV* stash, const char* name, U32 flags)
+                       __attribute__nonnull__(pTHX_1)
+                       __attribute__nonnull__(pTHX_2);
+#define PERL_ARGS_ASSERT_GV_FETCHMETHOD_FLAGS  \
+       assert(stash); assert(name)
 
 PERL_CALLCONV GV*      Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, const svtype sv_type)
                        __attribute__nonnull__(pTHX_1);
@@ -1070,6 +1083,14 @@ PERL_CALLCONV HV *       Perl_refcounted_he_chain_2hv(pTHX_ const struct refcounted_he
 PERL_CALLCONV SV *     Perl_refcounted_he_fetch(pTHX_ const struct refcounted_he *chain, SV *keysv, const char *key, STRLEN klen, int flags, U32 hash);
 PERL_CALLCONV void     Perl_refcounted_he_free(pTHX_ struct refcounted_he *he);
 PERL_CALLCONV struct refcounted_he *   Perl_refcounted_he_new(pTHX_ struct refcounted_he *const parent, SV *const key, SV *const value);
+#if defined(PERL_IN_HV_C) || defined(PERL_DECL_PROT)
+STATIC struct refcounted_he *  S_refcounted_he_new_common(pTHX_ struct refcounted_he *const parent, const char *const key_p, const STRLEN key_len, const char flags, char value_type, const void *value, const STRLEN value_len)
+                       __attribute__nonnull__(pTHX_2)
+                       __attribute__nonnull__(pTHX_6);
+#define PERL_ARGS_ASSERT_REFCOUNTED_HE_NEW_COMMON      \
+       assert(key_p); assert(value)
+
+#endif
 /* PERL_CALLCONV SV**  Perl_hv_store(pTHX_ HV *hv, const char *key, I32 klen, SV *val, U32 hash); */
 /* PERL_CALLCONV HE*   Perl_hv_store_ent(pTHX_ HV *hv, SV *key, SV *val, U32 hash); */
 /* PERL_CALLCONV SV**  Perl_hv_store_flags(pTHX_ HV *hv, const char *key, I32 klen, SV *val, U32 hash, int flags); */
@@ -1872,7 +1893,7 @@ PERL_CALLCONV void        Perl_mini_mktime(pTHX_ struct tm *ptm)
        assert(ptm)
 
 PERL_CALLCONV OP*      Perl_mod(pTHX_ OP* o, I32 type);
-PERL_CALLCONV int      Perl_mode_from_discipline(pTHX_ SV* discp);
+PERL_CALLCONV int      Perl_mode_from_discipline(pTHX_ const char* s, STRLEN len);
 PERL_CALLCONV const char*      Perl_moreswitches(pTHX_ const char* s)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_MORESWITCHES  \
@@ -2145,21 +2166,21 @@ PERL_CALLCONV OP*       Perl_newPVOP(pTHX_ I32 type, I32 flags, char* pv)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV SV*      Perl_newRV(pTHX_ SV* sv)
+PERL_CALLCONV SV*      Perl_newRV(pTHX_ SV *const sv)
                        __attribute__malloc__
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_NEWRV \
        assert(sv)
 
-PERL_CALLCONV SV*      Perl_newRV_noinc(pTHX_ SV* sv)
+PERL_CALLCONV SV*      Perl_newRV_noinc(pTHX_ SV *const sv)
                        __attribute__malloc__
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_NEWRV_NOINC   \
        assert(sv)
 
-PERL_CALLCONV SV*      Perl_newSV(pTHX_ STRLEN len)
+PERL_CALLCONV SV*      Perl_newSV(pTHX_ const STRLEN len)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
@@ -2177,31 +2198,31 @@ PERL_CALLCONV OP*       Perl_newSVOP(pTHX_ I32 type, I32 flags, SV* sv)
 #define PERL_ARGS_ASSERT_NEWSVOP       \
        assert(sv)
 
-PERL_CALLCONV SV*      Perl_newSViv(pTHX_ IV i)
+PERL_CALLCONV SV*      Perl_newSViv(pTHX_ const IV i)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV SV*      Perl_newSVuv(pTHX_ UV u)
+PERL_CALLCONV SV*      Perl_newSVuv(pTHX_ const UV u)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV SV*      Perl_newSVnv(pTHX_ NV n)
+PERL_CALLCONV SV*      Perl_newSVnv(pTHX_ const NV n)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV SV*      Perl_newSVpv(pTHX_ const char* s, STRLEN len)
+PERL_CALLCONV SV*      Perl_newSVpv(pTHX_ const char *const s, const STRLEN len)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV SV*      Perl_newSVpvn(pTHX_ const char* s, STRLEN len)
+PERL_CALLCONV SV*      Perl_newSVpvn(pTHX_ const char *const s, const STRLEN len)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV SV*      Perl_newSVpvn_flags(pTHX_ const char* s, STRLEN len, U32 flags)
+PERL_CALLCONV SV*      Perl_newSVpvn_flags(pTHX_ const char *const s, const STRLEN len, const U32 flags)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV SV*      Perl_newSVhek(pTHX_ const HEK *hek)
+PERL_CALLCONV SV*      Perl_newSVhek(pTHX_ const HEK *const hek)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
@@ -2209,7 +2230,7 @@ PERL_CALLCONV SV* Perl_newSVpvn_share(pTHX_ const char* s, I32 len, U32 hash)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV SV*      Perl_newSVpvf(pTHX_ const char* pat, ...)
+PERL_CALLCONV SV*      Perl_newSVpvf(pTHX_ const char *const pat, ...)
                        __attribute__malloc__
                        __attribute__warn_unused_result__
                        __attribute__format__(__printf__,pTHX_1,pTHX_2)
@@ -2217,19 +2238,19 @@ PERL_CALLCONV SV*       Perl_newSVpvf(pTHX_ const char* pat, ...)
 #define PERL_ARGS_ASSERT_NEWSVPVF      \
        assert(pat)
 
-PERL_CALLCONV SV*      Perl_vnewSVpvf(pTHX_ const char* pat, va_list* args)
+PERL_CALLCONV SV*      Perl_vnewSVpvf(pTHX_ const char *const pat, va_list *const args)
                        __attribute__malloc__
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_VNEWSVPVF     \
        assert(pat)
 
-PERL_CALLCONV SV*      Perl_newSVrv(pTHX_ SV* rv, const char* classname)
+PERL_CALLCONV SV*      Perl_newSVrv(pTHX_ SV *const rv, const char *const classname)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_NEWSVRV       \
        assert(rv)
 
-PERL_CALLCONV SV*      Perl_newSVsv(pTHX_ SV* old)
+PERL_CALLCONV SV*      Perl_newSVsv(pTHX_ SV *const old)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
@@ -2559,12 +2580,12 @@ PERL_CALLCONV void*     Perl_regdupe_internal(pTHX_ REGEXP * const r, CLONE_PARAMS*
        assert(r); assert(param)
 
 #endif
-PERL_CALLCONV REGEXP*  Perl_pregcomp(pTHX_ const SV * const pattern, const U32 flags)
+PERL_CALLCONV REGEXP*  Perl_pregcomp(pTHX_ SV * const pattern, const U32 flags)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_PREGCOMP      \
        assert(pattern)
 
-PERL_CALLCONV REGEXP*  Perl_re_compile(pTHX_ const SV * const pattern, U32 flags)
+PERL_CALLCONV REGEXP*  Perl_re_compile(pTHX_ SV * const pattern, U32 flags)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_RE_COMPILE    \
        assert(pattern)
@@ -2977,13 +2998,13 @@ PERL_CALLCONV bool      Perl_sv_2bool(pTHX_ SV *const sv)
 #define PERL_ARGS_ASSERT_SV_2BOOL      \
        assert(sv)
 
-PERL_CALLCONV CV*      Perl_sv_2cv(pTHX_ SV* sv, HV** st, GV** gvp, I32 lref)
+PERL_CALLCONV CV*      Perl_sv_2cv(pTHX_ SV* sv, HV **const st, GV **const gvp, const I32 lref)
                        __attribute__nonnull__(pTHX_2)
                        __attribute__nonnull__(pTHX_3);
 #define PERL_ARGS_ASSERT_SV_2CV        \
        assert(st); assert(gvp)
 
-PERL_CALLCONV IO*      Perl_sv_2io(pTHX_ SV* sv)
+PERL_CALLCONV IO*      Perl_sv_2io(pTHX_ SV *const sv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_2IO        \
        assert(sv)
@@ -3002,7 +3023,7 @@ STATIC char*      S_glob_2pv(pTHX_ GV* const gv, STRLEN * const len)
 #endif
 /* PERL_CALLCONV IV    Perl_sv_2iv(pTHX_ SV *sv); */
 PERL_CALLCONV IV       Perl_sv_2iv_flags(pTHX_ SV *const sv, const I32 flags);
-PERL_CALLCONV SV*      Perl_sv_2mortal(pTHX_ SV* sv);
+PERL_CALLCONV SV*      Perl_sv_2mortal(pTHX_ SV *const sv);
 PERL_CALLCONV NV       Perl_sv_2nv(pTHX_ SV *const sv);
 PERL_CALLCONV SV*      Perl_sv_2num(pTHX_ SV *const sv)
                        __attribute__nonnull__(pTHX_1);
@@ -3061,7 +3082,7 @@ PERL_CALLCONV char*       Perl_sv_pvbyten(pTHX_ SV *sv, STRLEN *lp)
 #define PERL_ARGS_ASSERT_SV_PVBYTEN    \
        assert(sv); assert(lp)
 
-PERL_CALLCONV I32      Perl_sv_true(pTHX_ SV *sv);
+PERL_CALLCONV I32      Perl_sv_true(pTHX_ SV *const sv);
 PERL_CALLCONV void     Perl_sv_add_arena(pTHX_ char *const ptr, const U32 size, const U32 flags)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_ADD_ARENA  \
@@ -3072,26 +3093,26 @@ PERL_CALLCONV int       Perl_sv_backoff(pTHX_ SV *const sv)
 #define PERL_ARGS_ASSERT_SV_BACKOFF    \
        assert(sv)
 
-PERL_CALLCONV SV*      Perl_sv_bless(pTHX_ SV* sv, HV* stash)
+PERL_CALLCONV SV*      Perl_sv_bless(pTHX_ SV *const sv, HV *const stash)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_BLESS      \
        assert(sv); assert(stash)
 
-PERL_CALLCONV void     Perl_sv_catpvf(pTHX_ SV* sv, const char* pat, ...)
+PERL_CALLCONV void     Perl_sv_catpvf(pTHX_ SV *const sv, const char *const pat, ...)
                        __attribute__format__(__printf__,pTHX_2,pTHX_3)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_CATPVF     \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_vcatpvf(pTHX_ SV* sv, const char* pat, va_list* args)
+PERL_CALLCONV void     Perl_sv_vcatpvf(pTHX_ SV *const sv, const char *const pat, va_list *const args)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_VCATPVF    \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_catpv(pTHX_ SV* sv, const char* ptr)
+PERL_CALLCONV void     Perl_sv_catpv(pTHX_ SV *const sv, const char* ptr)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_CATPV      \
        assert(sv)
@@ -3114,15 +3135,15 @@ PERL_CALLCONV void      Perl_sv_chop(pTHX_ SV *const sv, const char *const ptr)
 
 PERL_CALLCONV I32      Perl_sv_clean_all(pTHX);
 PERL_CALLCONV void     Perl_sv_clean_objs(pTHX);
-PERL_CALLCONV void     Perl_sv_clear(pTHX_ SV* sv)
+PERL_CALLCONV void     Perl_sv_clear(pTHX_ SV *const sv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_CLEAR      \
        assert(sv)
 
-PERL_CALLCONV I32      Perl_sv_cmp(pTHX_ SV* sv1, SV* sv2);
-PERL_CALLCONV I32      Perl_sv_cmp_locale(pTHX_ SV* sv1, SV* sv2);
+PERL_CALLCONV I32      Perl_sv_cmp(pTHX_ SV *const sv1, SV *const sv2);
+PERL_CALLCONV I32      Perl_sv_cmp_locale(pTHX_ SV *const sv1, SV *const sv2);
 #if defined(USE_LOCALE_COLLATE)
-PERL_CALLCONV char*    Perl_sv_collxfrm(pTHX_ SV* sv, STRLEN* nxp)
+PERL_CALLCONV char*    Perl_sv_collxfrm(pTHX_ SV *const sv, STRLEN *const nxp)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_COLLXFRM   \
@@ -3142,7 +3163,7 @@ PERL_CALLCONV int Perl_getcwd_sv(pTHX_ SV* sv)
 #define PERL_ARGS_ASSERT_GETCWD_SV     \
        assert(sv)
 
-PERL_CALLCONV void     Perl_sv_dec(pTHX_ SV* sv);
+PERL_CALLCONV void     Perl_sv_dec(pTHX_ SV *const sv);
 PERL_CALLCONV void     Perl_sv_dump(pTHX_ SV* sv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_DUMP       \
@@ -3163,14 +3184,14 @@ PERL_CALLCONV bool      Perl_sv_does(pTHX_ SV* sv, const char *const name)
        assert(sv); assert(name)
 
 PERL_CALLCONV I32      Perl_sv_eq(pTHX_ SV* sv1, SV* sv2);
-PERL_CALLCONV void     Perl_sv_free(pTHX_ SV* sv);
-PERL_CALLCONV void     Perl_sv_free2(pTHX_ SV* sv)
+PERL_CALLCONV void     Perl_sv_free(pTHX_ SV *const sv);
+PERL_CALLCONV void     Perl_sv_free2(pTHX_ SV *const sv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_FREE2      \
        assert(sv)
 
 PERL_CALLCONV void     Perl_sv_free_arenas(pTHX);
-PERL_CALLCONV char*    Perl_sv_gets(pTHX_ SV* sv, PerlIO* fp, I32 append)
+PERL_CALLCONV char*    Perl_sv_gets(pTHX_ SV *const sv, PerlIO *const fp, I32 append)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_GETS       \
@@ -3181,46 +3202,52 @@ PERL_CALLCONV char*     Perl_sv_grow(pTHX_ SV *const sv, STRLEN newlen)
 #define PERL_ARGS_ASSERT_SV_GROW       \
        assert(sv)
 
-PERL_CALLCONV void     Perl_sv_inc(pTHX_ SV* sv);
-PERL_CALLCONV void     Perl_sv_insert(pTHX_ SV *bigstr, STRLEN offset, STRLEN len, const char *little, STRLEN littlelen)
+PERL_CALLCONV void     Perl_sv_inc(pTHX_ SV *const sv);
+/* PERL_CALLCONV void  Perl_sv_insert(pTHX_ SV *const bigstr, const STRLEN offset, const STRLEN len, const char *const little, const STRLEN littlelen)
                        __attribute__nonnull__(pTHX_1)
-                       __attribute__nonnull__(pTHX_4);
+                       __attribute__nonnull__(pTHX_4); */
 #define PERL_ARGS_ASSERT_SV_INSERT     \
        assert(bigstr); assert(little)
 
-PERL_CALLCONV int      Perl_sv_isa(pTHX_ SV* sv, const char* name)
+PERL_CALLCONV void     Perl_sv_insert_flags(pTHX_ SV *const bigstr, const STRLEN offset, const STRLEN len, const char *const little, const STRLEN littlelen, const U32 flags)
+                       __attribute__nonnull__(pTHX_1)
+                       __attribute__nonnull__(pTHX_4);
+#define PERL_ARGS_ASSERT_SV_INSERT_FLAGS       \
+       assert(bigstr); assert(little)
+
+PERL_CALLCONV int      Perl_sv_isa(pTHX_ SV* sv, const char *const name)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_ISA        \
        assert(name)
 
 PERL_CALLCONV int      Perl_sv_isobject(pTHX_ SV* sv);
-PERL_CALLCONV STRLEN   Perl_sv_len(pTHX_ SV* sv);
-PERL_CALLCONV STRLEN   Perl_sv_len_utf8(pTHX_ SV* sv);
-PERL_CALLCONV void     Perl_sv_magic(pTHX_ SV* sv, SV* obj, int how, const char* name, I32 namlen)
+PERL_CALLCONV STRLEN   Perl_sv_len(pTHX_ SV *const sv);
+PERL_CALLCONV STRLEN   Perl_sv_len_utf8(pTHX_ SV *const sv);
+PERL_CALLCONV void     Perl_sv_magic(pTHX_ SV *const sv, SV *const obj, const int how, const char *const name, const I32 namlen)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_MAGIC      \
        assert(sv)
 
-PERL_CALLCONV MAGIC *  Perl_sv_magicext(pTHX_ SV* sv, SV* obj, int how, const MGVTBL *vtbl, const char* name, I32 namlen)
+PERL_CALLCONV MAGIC *  Perl_sv_magicext(pTHX_ SV *const sv, SV *const obj, const int how, const MGVTBL *const vtbl, const char *const name, const I32 namlen)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_MAGICEXT   \
        assert(sv)
 
-PERL_CALLCONV SV*      Perl_sv_mortalcopy(pTHX_ SV* oldsv)
+PERL_CALLCONV SV*      Perl_sv_mortalcopy(pTHX_ SV *const oldsv)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
 PERL_CALLCONV SV*      Perl_sv_newmortal(pTHX)
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV SV*      Perl_sv_newref(pTHX_ SV* sv);
+PERL_CALLCONV SV*      Perl_sv_newref(pTHX_ SV *const sv);
 PERL_CALLCONV char*    Perl_sv_peek(pTHX_ SV* sv);
-PERL_CALLCONV void     Perl_sv_pos_u2b(pTHX_ SV* sv, I32* offsetp, I32* lenp)
+PERL_CALLCONV void     Perl_sv_pos_u2b(pTHX_ SV *const sv, I32 *const offsetp, I32 *const lenp)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_POS_U2B    \
        assert(offsetp)
 
-PERL_CALLCONV void     Perl_sv_pos_b2u(pTHX_ SV* sv, I32* offsetp)
+PERL_CALLCONV void     Perl_sv_pos_b2u(pTHX_ SV *const sv, I32 *const offsetp)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_POS_B2U    \
        assert(offsetp)
@@ -3230,12 +3257,12 @@ PERL_CALLCONV void      Perl_sv_pos_b2u(pTHX_ SV* sv, I32* offsetp)
 #define PERL_ARGS_ASSERT_SV_PVN_FORCE  \
        assert(sv)
 
-PERL_CALLCONV char*    Perl_sv_pvutf8n_force(pTHX_ SV* sv, STRLEN* lp)
+PERL_CALLCONV char*    Perl_sv_pvutf8n_force(pTHX_ SV *const sv, STRLEN *const lp)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_PVUTF8N_FORCE      \
        assert(sv)
 
-PERL_CALLCONV char*    Perl_sv_pvbyten_force(pTHX_ SV* sv, STRLEN* lp)
+PERL_CALLCONV char*    Perl_sv_pvbyten_force(pTHX_ SV *const sv, STRLEN *const lp)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_PVBYTEN_FORCE      \
        assert(sv)
@@ -3255,32 +3282,32 @@ PERL_CALLCONV bool      Perl_sv_cat_decode(pTHX_ SV* dsv, SV *encoding, SV *ssv, int
 #define PERL_ARGS_ASSERT_SV_CAT_DECODE \
        assert(dsv); assert(encoding); assert(ssv); assert(offset); assert(tstr)
 
-PERL_CALLCONV const char*      Perl_sv_reftype(pTHX_ const SV* sv, int ob)
+PERL_CALLCONV const char*      Perl_sv_reftype(pTHX_ const SV *const sv, const int ob)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_REFTYPE    \
        assert(sv)
 
-PERL_CALLCONV void     Perl_sv_replace(pTHX_ SV* sv, SV* nsv)
+PERL_CALLCONV void     Perl_sv_replace(pTHX_ SV *const sv, SV *const nsv)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_REPLACE    \
        assert(sv); assert(nsv)
 
 PERL_CALLCONV void     Perl_sv_report_used(pTHX);
-PERL_CALLCONV void     Perl_sv_reset(pTHX_ const char* s, HV* stash)
+PERL_CALLCONV void     Perl_sv_reset(pTHX_ const char* s, HV *const stash)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_RESET      \
        assert(s)
 
-PERL_CALLCONV void     Perl_sv_setpvf(pTHX_ SV* sv, const char* pat, ...)
+PERL_CALLCONV void     Perl_sv_setpvf(pTHX_ SV *const sv, const char *const pat, ...)
                        __attribute__format__(__printf__,pTHX_2,pTHX_3)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_SETPVF     \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_vsetpvf(pTHX_ SV* sv, const char* pat, va_list* args)
+PERL_CALLCONV void     Perl_sv_vsetpvf(pTHX_ SV *const sv, const char *const pat, va_list *const args)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_VSETPVF    \
@@ -3291,7 +3318,7 @@ PERL_CALLCONV void        Perl_sv_setiv(pTHX_ SV *const sv, const IV num)
 #define PERL_ARGS_ASSERT_SV_SETIV      \
        assert(sv)
 
-PERL_CALLCONV void     Perl_sv_setpviv(pTHX_ SV* sv, IV num)
+PERL_CALLCONV void     Perl_sv_setpviv(pTHX_ SV *const sv, const IV num)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_SETPVIV    \
        assert(sv)
@@ -3306,27 +3333,27 @@ PERL_CALLCONV void      Perl_sv_setnv(pTHX_ SV *const sv, const NV num)
 #define PERL_ARGS_ASSERT_SV_SETNV      \
        assert(sv)
 
-PERL_CALLCONV SV*      Perl_sv_setref_iv(pTHX_ SV* rv, const char* classname, IV iv)
+PERL_CALLCONV SV*      Perl_sv_setref_iv(pTHX_ SV *const rv, const char *const classname, const IV iv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_SETREF_IV  \
        assert(rv)
 
-PERL_CALLCONV SV*      Perl_sv_setref_uv(pTHX_ SV* rv, const char* classname, UV uv)
+PERL_CALLCONV SV*      Perl_sv_setref_uv(pTHX_ SV *const rv, const char *const classname, const UV uv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_SETREF_UV  \
        assert(rv)
 
-PERL_CALLCONV SV*      Perl_sv_setref_nv(pTHX_ SV* rv, const char* classname, NV nv)
+PERL_CALLCONV SV*      Perl_sv_setref_nv(pTHX_ SV *const rv, const char *const classname, const NV nv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_SETREF_NV  \
        assert(rv)
 
-PERL_CALLCONV SV*      Perl_sv_setref_pv(pTHX_ SV* rv, const char* classname, void* pv)
+PERL_CALLCONV SV*      Perl_sv_setref_pv(pTHX_ SV *const rv, const char *const classname, void *const pv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_SETREF_PV  \
        assert(rv)
 
-PERL_CALLCONV SV*      Perl_sv_setref_pvn(pTHX_ SV* rv, const char* classname, const char* pv, STRLEN n)
+PERL_CALLCONV SV*      Perl_sv_setref_pvn(pTHX_ SV *const rv, const char *const classname, const char *const pv, const STRLEN n)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_3);
 #define PERL_ARGS_ASSERT_SV_SETREF_PVN \
@@ -3352,13 +3379,13 @@ PERL_CALLCONV void      Perl_sv_setpvn(pTHX_ SV *const sv, const char *const ptr, con
 #define PERL_ARGS_ASSERT_SV_TAINT      \
        assert(sv)
 
-PERL_CALLCONV bool     Perl_sv_tainted(pTHX_ SV* sv)
+PERL_CALLCONV bool     Perl_sv_tainted(pTHX_ SV *const sv)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_TAINTED    \
        assert(sv)
 
-PERL_CALLCONV int      Perl_sv_unmagic(pTHX_ SV* sv, int type)
+PERL_CALLCONV int      Perl_sv_unmagic(pTHX_ SV *const sv, const int type)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_UNMAGIC    \
        assert(sv)
@@ -3368,12 +3395,12 @@ PERL_CALLCONV int       Perl_sv_unmagic(pTHX_ SV* sv, int type)
 #define PERL_ARGS_ASSERT_SV_UNREF      \
        assert(sv)
 
-PERL_CALLCONV void     Perl_sv_unref_flags(pTHX_ SV *ref, U32 flags)
+PERL_CALLCONV void     Perl_sv_unref_flags(pTHX_ SV *const ref, const U32 flags)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_UNREF_FLAGS        \
        assert(ref)
 
-PERL_CALLCONV void     Perl_sv_untaint(pTHX_ SV* sv)
+PERL_CALLCONV void     Perl_sv_untaint(pTHX_ SV *const sv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_UNTAINT    \
        assert(sv)
@@ -3393,13 +3420,13 @@ PERL_CALLCONV void      Perl_sv_usepvn_flags(pTHX_ SV *const sv, char* ptr, const STR
 #define PERL_ARGS_ASSERT_SV_USEPVN_FLAGS       \
        assert(sv)
 
-PERL_CALLCONV void     Perl_sv_vcatpvfn(pTHX_ SV* sv, const char* pat, STRLEN patlen, va_list* args, SV** svargs, I32 svmax, bool *maybe_tainted)
+PERL_CALLCONV void     Perl_sv_vcatpvfn(pTHX_ SV *const sv, const char *const pat, const STRLEN patlen, va_list *const args, SV **const svargs, const I32 svmax, bool *const maybe_tainted)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_VCATPVFN   \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_vsetpvfn(pTHX_ SV* sv, const char* pat, STRLEN patlen, va_list* args, SV** svargs, I32 svmax, bool *maybe_tainted)
+PERL_CALLCONV void     Perl_sv_vsetpvfn(pTHX_ SV *const sv, const char *const pat, const STRLEN patlen, va_list *const args, SV **const svargs, const I32 svmax, bool *const maybe_tainted)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_VSETPVFN   \
@@ -3710,7 +3737,7 @@ PERL_CALLCONV int Perl_yywarn(pTHX_ const char *const s)
        assert(s)
 
 #if defined(MYMALLOC)
-PERL_CALLCONV void     Perl_dump_mstats(pTHX_ char* s)
+PERL_CALLCONV void     Perl_dump_mstats(pTHX_ const char* s)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_DUMP_MSTATS   \
        assert(s)
@@ -3745,20 +3772,20 @@ PERL_CALLCONV void      Perl_free_global_struct(pTHX_ struct perl_vars *plvarsp)
 #endif
 PERL_CALLCONV int      Perl_runops_standard(pTHX);
 PERL_CALLCONV int      Perl_runops_debug(pTHX);
-PERL_CALLCONV void     Perl_sv_catpvf_mg(pTHX_ SV *sv, const char* pat, ...)
+PERL_CALLCONV void     Perl_sv_catpvf_mg(pTHX_ SV *const sv, const char *const pat, ...)
                        __attribute__format__(__printf__,pTHX_2,pTHX_3)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_CATPVF_MG  \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_vcatpvf_mg(pTHX_ SV* sv, const char* pat, va_list* args)
+PERL_CALLCONV void     Perl_sv_vcatpvf_mg(pTHX_ SV *const sv, const char *const pat, va_list *const args)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_VCATPVF_MG \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_catpv_mg(pTHX_ SV *sv, const char *ptr)
+PERL_CALLCONV void     Perl_sv_catpv_mg(pTHX_ SV *const sv, const char *const ptr)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_CATPV_MG   \
        assert(sv)
@@ -3774,14 +3801,14 @@ PERL_CALLCONV void      Perl_sv_catpv_mg(pTHX_ SV *sv, const char *ptr)
 #define PERL_ARGS_ASSERT_SV_CATSV_MG   \
        assert(dsv)
 
-PERL_CALLCONV void     Perl_sv_setpvf_mg(pTHX_ SV *sv, const char* pat, ...)
+PERL_CALLCONV void     Perl_sv_setpvf_mg(pTHX_ SV *const sv, const char *const pat, ...)
                        __attribute__format__(__printf__,pTHX_2,pTHX_3)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_SETPVF_MG  \
        assert(sv); assert(pat)
 
-PERL_CALLCONV void     Perl_sv_vsetpvf_mg(pTHX_ SV* sv, const char* pat, va_list* args)
+PERL_CALLCONV void     Perl_sv_vsetpvf_mg(pTHX_ SV *const sv, const char *const pat, va_list *const args)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_VSETPVF_MG \
@@ -3792,7 +3819,7 @@ PERL_CALLCONV void        Perl_sv_setiv_mg(pTHX_ SV *const sv, const IV i)
 #define PERL_ARGS_ASSERT_SV_SETIV_MG   \
        assert(sv)
 
-PERL_CALLCONV void     Perl_sv_setpviv_mg(pTHX_ SV *sv, IV iv)
+PERL_CALLCONV void     Perl_sv_setpviv_mg(pTHX_ SV *const sv, const IV iv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_SETPVIV_MG \
        assert(sv)
@@ -3970,7 +3997,7 @@ PERL_CALLCONV void        Perl_sv_force_normal_flags(pTHX_ SV *const sv, const U32 flag
        assert(sv)
 
 PERL_CALLCONV void     Perl_tmps_grow(pTHX_ I32 n);
-PERL_CALLCONV SV*      Perl_sv_rvweaken(pTHX_ SV *sv)
+PERL_CALLCONV SV*      Perl_sv_rvweaken(pTHX_ SV *const sv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_RVWEAKEN   \
        assert(sv)
@@ -4044,40 +4071,40 @@ PERL_CALLCONV void      Perl_re_dup_guts(pTHX_ const REGEXP *sstr, REGEXP *dstr, CLON
 #define PERL_ARGS_ASSERT_RE_DUP_GUTS   \
        assert(sstr); assert(dstr); assert(param)
 
-PERL_CALLCONV PerlIO*  Perl_fp_dup(pTHX_ PerlIO* fp, char type, CLONE_PARAMS* param)
+PERL_CALLCONV PerlIO*  Perl_fp_dup(pTHX_ PerlIO *const fp, const char type, CLONE_PARAMS *const param)
                        __attribute__nonnull__(pTHX_3);
 #define PERL_ARGS_ASSERT_FP_DUP        \
        assert(param)
 
-PERL_CALLCONV DIR*     Perl_dirp_dup(pTHX_ DIR* dp)
+PERL_CALLCONV DIR*     Perl_dirp_dup(pTHX_ DIR *const dp)
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV GP*      Perl_gp_dup(pTHX_ GP* gp, CLONE_PARAMS* param)
+PERL_CALLCONV GP*      Perl_gp_dup(pTHX_ GP *const gp, CLONE_PARAMS *const param)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_GP_DUP        \
        assert(param)
 
-PERL_CALLCONV MAGIC*   Perl_mg_dup(pTHX_ MAGIC* mg, CLONE_PARAMS* param)
+PERL_CALLCONV MAGIC*   Perl_mg_dup(pTHX_ MAGIC *mg, CLONE_PARAMS *const param)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_MG_DUP        \
        assert(param)
 
-PERL_CALLCONV SV*      Perl_sv_dup(pTHX_ const SV* sstr, CLONE_PARAMS* param)
+PERL_CALLCONV SV*      Perl_sv_dup(pTHX_ const SV *const sstr, CLONE_PARAMS *const param)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_DUP        \
        assert(param)
 
-PERL_CALLCONV void     Perl_rvpv_dup(pTHX_ SV* dstr, const SV *sstr, CLONE_PARAMS* param)
+PERL_CALLCONV void     Perl_rvpv_dup(pTHX_ SV *const dstr, const SV *const sstr, CLONE_PARAMS *const param)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2)
                        __attribute__nonnull__(pTHX_3);
 #define PERL_ARGS_ASSERT_RVPV_DUP      \
        assert(dstr); assert(sstr); assert(param)
 
-PERL_CALLCONV yy_parser*       Perl_parser_dup(pTHX_ const yy_parser *proto, CLONE_PARAMS* param)
+PERL_CALLCONV yy_parser*       Perl_parser_dup(pTHX_ const yy_parser *const proto, CLONE_PARAMS *const param)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_PARSER_DUP    \
        assert(param)
@@ -4087,25 +4114,25 @@ PERL_CALLCONV PTR_TBL_t*        Perl_ptr_table_new(pTHX)
                        __attribute__malloc__
                        __attribute__warn_unused_result__;
 
-PERL_CALLCONV void*    Perl_ptr_table_fetch(pTHX_ PTR_TBL_t *tbl, const void *sv)
+PERL_CALLCONV void*    Perl_ptr_table_fetch(pTHX_ PTR_TBL_t *const tbl, const void *const sv)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_PTR_TABLE_FETCH       \
        assert(tbl)
 
-PERL_CALLCONV void     Perl_ptr_table_store(pTHX_ PTR_TBL_t *tbl, const void *oldsv, void *newsv)
+PERL_CALLCONV void     Perl_ptr_table_store(pTHX_ PTR_TBL_t *const tbl, const void *const oldsv, void *const newsv)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_3);
 #define PERL_ARGS_ASSERT_PTR_TABLE_STORE       \
        assert(tbl); assert(newsv)
 
-PERL_CALLCONV void     Perl_ptr_table_split(pTHX_ PTR_TBL_t *tbl)
+PERL_CALLCONV void     Perl_ptr_table_split(pTHX_ PTR_TBL_t *const tbl)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_PTR_TABLE_SPLIT       \
        assert(tbl)
 
-PERL_CALLCONV void     Perl_ptr_table_clear(pTHX_ PTR_TBL_t *tbl);
-PERL_CALLCONV void     Perl_ptr_table_free(pTHX_ PTR_TBL_t *tbl);
+PERL_CALLCONV void     Perl_ptr_table_clear(pTHX_ PTR_TBL_t *const tbl);
+PERL_CALLCONV void     Perl_ptr_table_free(pTHX_ PTR_TBL_t *const tbl);
 #if defined(USE_ITHREADS)
 #  if defined(HAVE_INTERP_INTERN)
 PERL_CALLCONV void     Perl_sys_intern_dup(pTHX_ struct interp_intern* src, struct interp_intern* dst)
@@ -4589,6 +4616,12 @@ STATIC OP*       S_scalarboolean(pTHX_ OP *o)
 STATIC OP*     S_newDEFSVOP(pTHX)
                        __attribute__warn_unused_result__;
 
+STATIC OP*     S_search_const(pTHX_ OP *o)
+                       __attribute__warn_unused_result__
+                       __attribute__nonnull__(pTHX_1);
+#define PERL_ARGS_ASSERT_SEARCH_CONST  \
+       assert(o)
+
 STATIC OP*     S_new_logop(pTHX_ I32 type, I32 flags, OP **firstp, OP **otherp)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_3)
@@ -5011,55 +5044,55 @@ STATIC SV*      S_method_common(pTHX_ SV* meth, U32* hashp)
 #endif
 
 #if defined(PERL_IN_PP_SORT_C) || defined(PERL_DECL_PROT)
-STATIC I32     S_sv_ncmp(pTHX_ SV *a, SV *b)
+STATIC I32     S_sv_ncmp(pTHX_ SV *const a, SV *const b)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_NCMP       \
        assert(a); assert(b)
 
-STATIC I32     S_sv_i_ncmp(pTHX_ SV *a, SV *b)
+STATIC I32     S_sv_i_ncmp(pTHX_ SV *const a, SV *const b)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_I_NCMP     \
        assert(a); assert(b)
 
-STATIC I32     S_amagic_ncmp(pTHX_ SV *a, SV *b)
+STATIC I32     S_amagic_ncmp(pTHX_ SV *const a, SV *const b)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_AMAGIC_NCMP   \
        assert(a); assert(b)
 
-STATIC I32     S_amagic_i_ncmp(pTHX_ SV *a, SV *b)
+STATIC I32     S_amagic_i_ncmp(pTHX_ SV *const a, SV *const b)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_AMAGIC_I_NCMP \
        assert(a); assert(b)
 
-STATIC I32     S_amagic_cmp(pTHX_ SV *str1, SV *str2)
+STATIC I32     S_amagic_cmp(pTHX_ SV *const str1, SV *const str2)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_AMAGIC_CMP    \
        assert(str1); assert(str2)
 
-STATIC I32     S_amagic_cmp_locale(pTHX_ SV *str1, SV *str2)
+STATIC I32     S_amagic_cmp_locale(pTHX_ SV *const str1, SV *const str2)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_AMAGIC_CMP_LOCALE     \
        assert(str1); assert(str2)
 
-STATIC I32     S_sortcv(pTHX_ SV *a, SV *b)
+STATIC I32     S_sortcv(pTHX_ SV *const a, SV *const b)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SORTCV        \
        assert(a); assert(b)
 
-STATIC I32     S_sortcv_xsub(pTHX_ SV *a, SV *b)
+STATIC I32     S_sortcv_xsub(pTHX_ SV *const a, SV *const b)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SORTCV_XSUB   \
        assert(a); assert(b)
 
-STATIC I32     S_sortcv_stacked(pTHX_ SV *a, SV *b)
+STATIC I32     S_sortcv_stacked(pTHX_ SV *const a, SV *const b)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SORTCV_STACKED        \
@@ -5473,7 +5506,7 @@ STATIC SV*        S_save_scalar_at(pTHX_ SV **sptr)
 #endif
 
 #if defined(PERL_IN_GV_C) || defined(PERL_IN_SV_C) || defined(PERL_IN_PAD_C) || defined(PERL_DECL_PROT)
-PERL_CALLCONV void     Perl_sv_add_backref(pTHX_ SV *tsv, SV *sv)
+PERL_CALLCONV void     Perl_sv_add_backref(pTHX_ SV *const tsv, SV *const sv)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_ADD_BACKREF        \
@@ -5482,7 +5515,7 @@ PERL_CALLCONV void        Perl_sv_add_backref(pTHX_ SV *tsv, SV *sv)
 #endif
 
 #if defined(PERL_IN_HV_C) || defined(PERL_IN_MG_C) || defined(PERL_IN_SV_C) || defined(PERL_DECL_PROT)
-PERL_CALLCONV int      Perl_sv_kill_backrefs(pTHX_ SV *sv, AV *av)
+PERL_CALLCONV int      Perl_sv_kill_backrefs(pTHX_ SV *const sv, AV *const av)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_KILL_BACKREFS      \
@@ -5498,7 +5531,7 @@ STATIC char *     S_uiv_2buf(char *const buf, const IV iv, UV uv, const int is_uv, c
 #define PERL_ARGS_ASSERT_UIV_2BUF      \
        assert(buf); assert(peob)
 
-STATIC void    S_sv_unglob(pTHX_ SV* sv)
+STATIC void    S_sv_unglob(pTHX_ SV *const sv)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_UNGLOB     \
        assert(sv)
@@ -5513,13 +5546,13 @@ STATIC I32      S_visit(pTHX_ SVFUNC_t f, const U32 flags, const U32 mask)
 #define PERL_ARGS_ASSERT_VISIT \
        assert(f)
 
-STATIC void    S_sv_del_backref(pTHX_ SV *tsv, SV *sv)
+STATIC void    S_sv_del_backref(pTHX_ SV *const tsv, SV *const sv)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_SV_DEL_BACKREF        \
        assert(tsv); assert(sv)
 
-STATIC SV *    S_varname(pTHX_ GV *gv, const char gvtype, PADOFFSET targ, SV *keyname, I32 aindex, int subscript_type)
+STATIC SV *    S_varname(pTHX_ const GV *const gv, const char gvtype, PADOFFSET targ, const SV *const keyname, I32 aindex, int subscript_type)
                        __attribute__warn_unused_result__;
 
 #  ifdef DEBUGGING
@@ -5544,7 +5577,7 @@ STATIC int        S_sv_2iuv_non_preserve(pTHX_ SV *const sv)
 
 #    endif
 #  endif
-STATIC I32     S_expect_number(pTHX_ char** pattern)
+STATIC I32     S_expect_number(pTHX_ char **const pattern)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_EXPECT_NUMBER \
@@ -5557,13 +5590,13 @@ STATIC STRLEN   S_sv_pos_u2b_forwards(const U8 *const start, const U8 *const send,
 #define PERL_ARGS_ASSERT_SV_POS_U2B_FORWARDS   \
        assert(start); assert(send)
 
-STATIC STRLEN  S_sv_pos_u2b_midway(const U8 *const start, const U8 *send, STRLEN uoffset, STRLEN uend)
+STATIC STRLEN  S_sv_pos_u2b_midway(const U8 *const start, const U8 *send, const STRLEN uoffset, const STRLEN uend)
                        __attribute__nonnull__(1)
                        __attribute__nonnull__(2);
 #define PERL_ARGS_ASSERT_SV_POS_U2B_MIDWAY     \
        assert(start); assert(send)
 
-STATIC STRLEN  S_sv_pos_u2b_cached(pTHX_ SV *sv, MAGIC **mgp, const U8 *const start, const U8 *const send, STRLEN uoffset, STRLEN uoffset0, STRLEN boffset0)
+STATIC STRLEN  S_sv_pos_u2b_cached(pTHX_ SV *const sv, MAGIC **const mgp, const U8 *const start, const U8 *const send, const STRLEN uoffset, STRLEN uoffset0, STRLEN boffset0)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2)
                        __attribute__nonnull__(pTHX_3)
@@ -5571,20 +5604,20 @@ STATIC STRLEN   S_sv_pos_u2b_cached(pTHX_ SV *sv, MAGIC **mgp, const U8 *const sta
 #define PERL_ARGS_ASSERT_SV_POS_U2B_CACHED     \
        assert(sv); assert(mgp); assert(start); assert(send)
 
-STATIC void    S_utf8_mg_pos_cache_update(pTHX_ SV *sv, MAGIC **mgp, STRLEN byte, STRLEN utf8, STRLEN blen)
+STATIC void    S_utf8_mg_pos_cache_update(pTHX_ SV *const sv, MAGIC **const mgp, const STRLEN byte, const STRLEN utf8, const STRLEN blen)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_UTF8_MG_POS_CACHE_UPDATE      \
        assert(sv); assert(mgp)
 
-STATIC STRLEN  S_sv_pos_b2u_midway(pTHX_ const U8 *s, const U8 *const target, const U8 *end, STRLEN endu)
+STATIC STRLEN  S_sv_pos_b2u_midway(pTHX_ const U8 *const s, const U8 *const target, const U8 *end, STRLEN endu)
                        __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2)
                        __attribute__nonnull__(pTHX_3);
 #define PERL_ARGS_ASSERT_SV_POS_B2U_MIDWAY     \
        assert(s); assert(target); assert(end)
 
-STATIC char *  S_F0convert(NV nv, char *endbuf, STRLEN *len)
+STATIC char *  S_F0convert(NV nv, char *const endbuf, STRLEN *const len)
                        __attribute__nonnull__(2)
                        __attribute__nonnull__(3);
 #define PERL_ARGS_ASSERT_F0CONVERT     \
@@ -5618,7 +5651,7 @@ STATIC void       S_glob_assign_ref(pTHX_ SV *const dstr, SV *const sstr)
 #define PERL_ARGS_ASSERT_GLOB_ASSIGN_REF       \
        assert(dstr); assert(sstr)
 
-STATIC PTR_TBL_ENT_t * S_ptr_table_find(PTR_TBL_t *tbl, const void *sv)
+STATIC PTR_TBL_ENT_t * S_ptr_table_find(PTR_TBL_t *const tbl, const void *const sv)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(1);
 #define PERL_ARGS_ASSERT_PTR_TABLE_FIND        \
@@ -5824,10 +5857,11 @@ STATIC void     S_printbuf(pTHX_ const char *const fmt, const char *const s)
 #endif
 
 #if defined(PERL_IN_UNIVERSAL_C) || defined(PERL_DECL_PROT)
-STATIC bool    S_isa_lookup(pTHX_ HV *stash, const char * const name, const HV * const name_stash)
+STATIC bool    S_isa_lookup(pTHX_ HV *stash, const char * const name)
+                       __attribute__nonnull__(pTHX_1)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_ISA_LOOKUP    \
-       assert(name)
+       assert(stash); assert(name)
 
 #endif
 
@@ -5853,6 +5887,15 @@ STATIC bool      S_vdie_common(pTHX_ const char *message, STRLEN msglen, I32 utf8, bo
 STATIC char *  S_write_no_mem(pTHX)
                        __attribute__noreturn__;
 
+#if defined(PERL_MEM_LOG) && defined(PERL_MEM_LOG_STDERR)
+STATIC void    S_mem_log_common(enum mem_log_type mlt, const UV n, const UV typesize, const char *type_name, const SV *sv, Malloc_t oldalloc, Malloc_t newalloc, const char *filename, const int linenumber, const char *funcname)
+                       __attribute__nonnull__(4)
+                       __attribute__nonnull__(8)
+                       __attribute__nonnull__(10);
+#define PERL_ARGS_ASSERT_MEM_LOG_COMMON        \
+       assert(type_name); assert(filename); assert(funcname)
+
+#endif
 #endif
 
 #if defined(PERL_IN_NUMERIC_C) || defined(PERL_DECL_PROT)
@@ -5905,7 +5948,7 @@ PERL_CALLCONV STRLEN      Perl_sv_utf8_upgrade_flags(pTHX_ SV *const sv, const I32 fl
 #define PERL_ARGS_ASSERT_SV_UTF8_UPGRADE_FLAGS \
        assert(sv)
 
-PERL_CALLCONV char*    Perl_sv_pvn_force_flags(pTHX_ SV* sv, STRLEN* lp, I32 flags)
+PERL_CALLCONV char*    Perl_sv_pvn_force_flags(pTHX_ SV *const sv, STRLEN *const lp, const I32 flags)
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_SV_PVN_FORCE_FLAGS    \
        assert(sv)
@@ -6146,7 +6189,7 @@ PERL_CALLCONV I32*        Perl_hv_placeholders_p(pTHX_ HV *hv)
 #define PERL_ARGS_ASSERT_HV_PLACEHOLDERS_P     \
        assert(hv)
 
-PERL_CALLCONV I32      Perl_hv_placeholders_get(pTHX_ HV *hv)
+PERL_CALLCONV I32      Perl_hv_placeholders_get(pTHX_ const HV *hv)
                        __attribute__warn_unused_result__
                        __attribute__nonnull__(pTHX_1);
 #define PERL_ARGS_ASSERT_HV_PLACEHOLDERS_GET   \
@@ -6166,17 +6209,17 @@ PERL_CALLCONV SV*       Perl_magic_scalarpack(pTHX_ HV *hv, MAGIC *mg)
 
 
 #if defined(PERL_IN_SV_C) || defined(PERL_DECL_PROT)
-STATIC SV *    S_find_hash_subscript(pTHX_ HV *hv, SV *val)
+STATIC SV *    S_find_hash_subscript(pTHX_ const HV *const hv, const SV *const val)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_FIND_HASH_SUBSCRIPT   \
        assert(val)
 
-STATIC I32     S_find_array_subscript(pTHX_ AV *av, SV *val)
+STATIC I32     S_find_array_subscript(pTHX_ const AV *const av, const SV *const val)
                        __attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_FIND_ARRAY_SUBSCRIPT  \
        assert(val)
 
-STATIC SV*     S_find_uninit_var(pTHX_ OP* obase, SV* uninit_sv, bool top);
+STATIC SV*     S_find_uninit_var(pTHX_ const OP *const obase, const SV *const uninit_sv, bool top);
 #endif
 
 #ifdef PERL_NEED_MY_HTOLE16
@@ -6563,6 +6606,16 @@ PERL_CALLCONV void       Perl_sys_init3(int* argc, char*** argv, char*** env)
        assert(argc); assert(argv); assert(env)
 
 PERL_CALLCONV void     Perl_sys_term(void);
+PERL_CALLCONV const char *     Perl_fetch_cop_label(pTHX_ struct refcounted_he *const chain, STRLEN *len, U32 *flags);
+PERL_CALLCONV struct refcounted_he *   Perl_store_cop_label(pTHX_ struct refcounted_he *const chain, const char *label)
+                       __attribute__nonnull__(pTHX_2);
+#define PERL_ARGS_ASSERT_STORE_COP_LABEL       \
+       assert(label)
+
+PERL_CALLCONV HV *     Perl_get_isa_hash(pTHX_ HV *const stash)
+                       __attribute__nonnull__(pTHX_1);
+#define PERL_ARGS_ASSERT_GET_ISA_HASH  \
+       assert(stash)
 
 
 END_EXTERN_C