3 files changed, 4 insertions, 4 deletions
diff --git a/XSUB.h b/XSUB.h
index a149115256..a049e8890a 100644
--- a/XSUB.h
+++ b/XSUB.h
@@ -269,7 +269,7 @@ Rethrows a previously caught exception.  See L<perlguts/"Exception Handling">.
 #define XST_mUV(i,v)  (ST(i) = sv_2mortal(newSVuv(v))  )
 #define XST_mNV(i,v)  (ST(i) = sv_2mortal(newSVnv(v))  )
 #define XST_mPV(i,v)  (ST(i) = sv_2mortal(newSVpv(v,0)))
-#define XST_mPVN(i,v,n)  (ST(i) = sv_2mortal(newSVpvn(v,n)))
+#define XST_mPVN(i,v,n)  (ST(i) = newSVpvn_flags(v,n, SVs_TEMP))
 #define XST_mNO(i)    (ST(i) = &PL_sv_no   )
 #define XST_mYES(i)   (ST(i) = &PL_sv_yes  )
 #define XST_mUNDEF(i) (ST(i) = &PL_sv_undef)
diff --git a/hv.h b/hv.h
index 3be32e675e..5f3d0a1b9f 100644
--- a/hv.h
+++ b/hv.h
@@ -327,8 +327,8 @@ C<SV*>.
 #define HeSVKEY_force(he)	(HeKEY(he) ?				\
 				 ((HeKLEN(he) == HEf_SVKEY) ?		\
 				  HeKEY_sv(he) :			\
-				  sv_2mortal(newSVpvn(HeKEY(he),	\
-						     HeKLEN(he)))) :	\
+				  newSVpvn_flags(HeKEY(he),		\
+						 HeKLEN(he), SVs_TEMP)) : \
 				 &PL_sv_undef)
 #define HeSVKEY_set(he,sv)	((HeKLEN(he) = HEf_SVKEY), (HeKEY_sv(he) = sv))
 
diff --git a/sv.h b/sv.h
index 9d0851c084..960a0592aa 100644
--- a/sv.h
+++ b/sv.h
@@ -1761,7 +1761,7 @@ Like C<sv_catsv> but doesn't process magic.
 #define sv_catpvn_utf8_upgrade(dsv, sstr, slen, nsv)	\
 	STMT_START {					\
 	    if (!(nsv))					\
-		nsv = sv_2mortal(newSVpvn(sstr, slen));	\
+		nsv = newSVpvn_flags(sstr, slen, SVs_TEMP);	\
 	    else					\
 		sv_setpvn(nsv, sstr, slen);		\
 	    SvUTF8_off(nsv);				\