fix for missed accounting for null byte in pack("Z",...) (from

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

diff --git a/op.c b/op.c
index 711be2f..681efae 100644 (file)
--- a/op.c
+++ b/op.c
@@ -321,9 +321,12 @@ S_pad_findlex(pTHX_ char *name, PADOFFSET newoff, U32 seq, CV* startcv,
                        }
                    }
                    else if (!CvUNIQUE(PL_compcv)) {
-                       if (ckWARN(WARN_CLOSURE) && !SvFAKE(sv) && !CvUNIQUE(cv))
+                       if (ckWARN(WARN_CLOSURE) && !SvFAKE(sv) && !CvUNIQUE(cv)
+                           && !(SvFLAGS(sv) & SVpad_OUR))
+                       {
                            Perl_warner(aTHX_ WARN_CLOSURE,
                                "Variable \"%s\" will not stay shared", name);
+                       }
                    }
                }
                av_store(PL_comppad, newoff, SvREFCNT_inc(oldsv));
@@ -6430,9 +6433,18 @@ Perl_peep(pTHX_ register OP *o)
             * for reference counts, sv_upgrade() etc. */
            if (cSVOP->op_sv) {
                PADOFFSET ix = pad_alloc(OP_CONST, SVs_PADTMP);
-               SvREFCNT_dec(PL_curpad[ix]);
-               SvPADTMP_on(cSVOPo->op_sv);
-               PL_curpad[ix] = cSVOPo->op_sv;
+               if (SvPADTMP(cSVOPo->op_sv)) {
+                   /* If op_sv is already a PADTMP then it is being used by
+                    * another pad, so make a copy. */
+                   sv_setsv(PL_curpad[ix],cSVOPo->op_sv);
+                   SvREADONLY_on(PL_curpad[ix]);
+                   SvREFCNT_dec(cSVOPo->op_sv);
+               }
+               else {
+                   SvREFCNT_dec(PL_curpad[ix]);
+                   SvPADTMP_on(cSVOPo->op_sv);
+                   PL_curpad[ix] = cSVOPo->op_sv;
+               }
                cSVOPo->op_sv = Nullsv;
                o->op_targ = ix;
            }