This is only a macro, without a Perl_ implementation.
Hopefully this fixes the Win32 build.
AmdbR |char* |sv_pvutf8 |NN SV *sv
AmdbR |char* |sv_pvbyte |NN SV *sv
Amdb |STRLEN |sv_utf8_upgrade|NN SV *sv
-Amdb |STRLEN |sv_utf8_upgrade_nomg|NN SV *sv
+Amd |STRLEN |sv_utf8_upgrade_nomg|NN SV *sv
ApdM |bool |sv_utf8_downgrade|NN SV *const sv|const bool fail_ok
Apd |void |sv_utf8_encode |NN SV *const sv
ApdM |bool |sv_utf8_decode |NN SV *const sv
Perl_sv_pvutf8
Perl_sv_pvbyte
Perl_sv_utf8_upgrade
-Perl_sv_utf8_upgrade_nomg
Perl_sv_utf8_downgrade
Perl_sv_utf8_encode
Perl_sv_utf8_decode
#define PERL_ARGS_ASSERT_SV_UTF8_UPGRADE \
assert(sv)
-/* PERL_CALLCONV STRLEN Perl_sv_utf8_upgrade_nomg(pTHX_ SV *sv)
+/* PERL_CALLCONV STRLEN sv_utf8_upgrade_nomg(pTHX_ SV *sv)
__attribute__nonnull__(pTHX_1); */
#define PERL_ARGS_ASSERT_SV_UTF8_UPGRADE_NOMG \
assert(sv)