[perl #56908] DBI memory leak in 5.10.0 due to change 26530

[p5sagit/p5-mst-13.2.git] / sv.c

diff --git a/sv.c b/sv.c
index 04d6e43..4792ad1 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -10784,10 +10784,11 @@ Perl_sv_dup(pTHX_ const SV *const sstr, CLONE_PARAMS *const param)
                        daux->xhv_eiter = saux->xhv_eiter
                            ? he_dup(saux->xhv_eiter,
                                        (bool)!!HvSHAREKEYS(sstr), param) : 0;
+                       /* backref array needs refcnt=2; see sv_add_backref */
                        daux->xhv_backreferences =
                            saux->xhv_backreferences
                                ? (AV*) SvREFCNT_inc(
-                                       sv_dup((SV*)saux->xhv_backreferences, param))
+                                       sv_dup_inc((SV*)saux->xhv_backreferences, param))
                                : 0;
 
                         daux->xhv_mro_meta = saux->xhv_mro_meta