the improved -DT output of #23325 could print an uninit stack value

[perl5.git] / av.c

diff --git a/av.c b/av.c
index 9cae023..b616a20 100644 (file)
--- a/av.c
+++ b/av.c
@@ -100,6 +100,11 @@ Perl_av_extend(pTHX_ AV *av, I32 key)
            }
        }
        else {
+#ifdef PERL_MALLOC_WRAP
+           static const char oom_array_extend[] =
+             "Out of memory during array extend"; /* Duplicated in pp_hot.c */
+#endif
+
            if (AvALLOC(av)) {
 #if !defined(STRANGE_MALLOC) && !defined(MYMALLOC)
                MEM_SIZE bytes;
@@ -114,7 +119,7 @@ Perl_av_extend(pTHX_ AV *av, I32 key)
 #endif 
                newmax = key + AvMAX(av) / 5;
              resize:
-               MEM_WRAP_CHECK_1(newmax+1, SV*, "panic: array extend");
+               MEM_WRAP_CHECK_1(newmax+1, SV*, oom_array_extend);
 #if defined(STRANGE_MALLOC) || defined(MYMALLOC)
                Renew(AvALLOC(av),newmax+1, SV*);
 #else
@@ -149,7 +154,7 @@ Perl_av_extend(pTHX_ AV *av, I32 key)
            }
            else {
                newmax = key < 3 ? 3 : key;
-               MEM_WRAP_CHECK_1(newmax+1, SV*, "panic: array extend");
+               MEM_WRAP_CHECK_1(newmax+1, SV*, oom_array_extend);
                New(2,AvALLOC(av), newmax+1, SV*);
                ary = AvALLOC(av) + 1;
                tmp = newmax;
@@ -859,6 +864,8 @@ Perl_av_delete(pTHX_ AV *av, I32 key, I32 flags)
        SvREFCNT_dec(sv);
        sv = Nullsv;
     }
+    else if (AvREAL(av))
+       sv = sv_2mortal(sv);
     return sv;
 }