Fix aliasing to an non-existent element of %+

(by Yves Orton)

p4raw-id: //depot/perl@28995

1 files changed, 2 insertions, 4 deletions

diff --git a/hv.c b/hv.c
index 14320773b0..e482d569e7 100644
--- a/hv.c
+++ b/hv.c
@@ -467,10 +467,8 @@ S_hv_fetch_common(pTHX_ HV *hv, SV *keysv, const char *key, STRLEN klen,
 		}
 		if (regdata) {
 		    sv = Perl_reg_named_buff_sv(aTHX_ keysv);
-		    if (!sv) {
-		        SvREFCNT_dec(keysv);
-		        return 0;
-		    }
+		    if (!sv)
+			sv = sv_newmortal();
 		} else {
 		    sv = sv_newmortal();
 		    mg_copy((SV*)hv, sv, (char *)keysv, HEf_SVKEY);