Revert "Move Perl_newAV() from mathoms to av.h"

This reverts commit 6a3ea4b.

Author: khwilliamson

av.h

@@ -236,8 +236,7 @@ to fit one element without extending:
 
 */
 
-#define Perl_newAV(mTHX)  MUTABLE_AV(Perl_newSV_type(aTHX_ SVt_PVAV))
-
+#define newAV()	MUTABLE_AV(newSV_type(SVt_PVAV))
 #define newAV_mortal()	MUTABLE_AV(newSV_type_mortal(SVt_PVAV))
 #define newAV_alloc_x(size)  av_new_alloc(size,0)
 #define newAV_alloc_xz(size) av_new_alloc(size,1)

embed.fnc

@@ -2176,7 +2176,7 @@ Xdp	|CV *	|newATTRSUB_x	|I32 floor				\
 				|NULLOK OP *attrs			\
 				|NULLOK OP *block			\
 				|bool o_is_gv
-ARdmp	|AV *	|newAV
+AMRbdp	|AV *	|newAV
 ARdm	|AV *	|newAV_alloc_x	|SSize_t size
 ARdm	|AV *	|newAV_alloc_xz |SSize_t size
 ARdp	|AV *	|newAVav	|NULLOK AV *oav

embed.h

@@ -410,7 +410,6 @@
 # define newANONSUB(a,b,c)                      Perl_newANONSUB(aTHX_ a,b,c)
 # define newARGDEFELEMOP(a,b,c)                 Perl_newARGDEFELEMOP(aTHX_ a,b,c)
 # define newASSIGNOP(a,b,c,d)                   Perl_newASSIGNOP(aTHX_ a,b,c,d)
-# define newAV()                                Perl_newAV(aTHX)
 # define newAVREF(a)                            Perl_newAVREF(aTHX_ a)
 # define newAVav(a)                             Perl_newAVav(aTHX_ a)
 # define newAVhv(a)                             Perl_newAVhv(aTHX_ a)

mathoms.c

@@ -135,6 +135,16 @@ Perl_sv_nounlocking(pTHX_ SV *sv)
     PERL_UNUSED_ARG(sv);
 }
 
+AV *
+Perl_newAV(pTHX)
+{
+    return MUTABLE_AV(newSV_type(SVt_PVAV));
+    /* sv_upgrade does AvREAL_only():
+    AvALLOC(av) = 0;
+    AvARRAY(av) = NULL;
+    AvMAX(av) = AvFILLp(av) = -1; */
+}
+
 void
 Perl_save_freesv(pTHX_ SV *sv)
 {