Remove mathoms stub Perl_gv_SVadd()

embed.fnc

@@ -4089,7 +4089,7 @@ Mp	|bool	|do_exec	|NN const char *cmd
 p	|bool	|do_exec	|NN const char *cmd
 #endif
 #if defined(PERL_DONT_CREATE_GVSV)
-AMbdp	|GV *	|gv_SVadd	|NULLOK GV *gv
+Admp	|GV *	|gv_SVadd	|NULLOK GV *gv
 #endif
 #if defined(PERL_IMPLICIT_SYS)
 CTo	|PerlInterpreter *|perl_alloc_using				\

embed.h

@@ -2018,6 +2018,9 @@
 #   define finalize_optree(a)                   Perl_finalize_optree(aTHX_ a)
 #   define optimize_optree(a)                   Perl_optimize_optree(aTHX_ a)
 # endif
+# if defined(PERL_DONT_CREATE_GVSV)
+#   define gv_SVadd(a)                          Perl_gv_SVadd(aTHX,a)
+# endif
 # if !defined(PERL_IMPLICIT_SYS)
 #   define my_pclose(a)                         Perl_my_pclose(aTHX_ a)
 #   define my_popen(a,b)                        Perl_my_popen(aTHX_ a,b)

gv.h

@@ -346,7 +346,7 @@ Make sure there is a slot of the given type (AV, HV, IO, SV) in the GV C<gv>.
 #define gv_AVadd(gv) gv_add_by_type((gv), SVt_PVAV)
 #define gv_HVadd(gv) gv_add_by_type((gv), SVt_PVHV)
 #define gv_IOadd(gv) gv_add_by_type((gv), SVt_PVIO)
-#define gv_SVadd(gv) gv_add_by_type((gv), SVt_NULL)
+#define Perl_gv_SVadd(mTHX, gv)  Perl_gv_add_by_type(aTHX_ (gv), SVt_NULL)
 
 /*
  * ex: set ts=8 sts=4 sw=4 et:

mathoms.c

@@ -666,14 +666,6 @@ Perl_save_op(pTHX)
     save_op();
 }
 
-#ifdef PERL_DONT_CREATE_GVSV
-GV *
-Perl_gv_SVadd(pTHX_ GV *gv)
-{
-    return gv_SVadd(gv);
-}
-#endif
-
 GV *
 Perl_gv_AVadd(pTHX_ GV *gv)
 {