Fix aliasing to an non-existent element of %+

(by Yves Orton)

p4raw-id: //depot/perl@28995

diff --git a/hv.c b/hv.c
index 1432077..e482d56 100644 (file)
--- 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);