[perl #30733] memory leak in array delete

av_delete() wasn't mortalizing the returned value

p4raw-id: //depot/perl@23158

1 files changed, 2 insertions, 0 deletions

diff --git a/av.c b/av.c
index 3eaeea8ecd..bedd04b41e 100644
--- a/av.c
+++ b/av.c
@@ -864,6 +864,8 @@ Perl_av_delete(pTHX_ AV *av, I32 key, I32 flags)
 	SvREFCNT_dec(sv);
 	sv = Nullsv;
     }
+    else
+	sv = sv_2mortal(sv);
     return sv;
 }