From: Vincent Pit <vpit@cpan.org>
Date: Mon, 8 Jul 2019 12:34:18 +0000 (+0200)
Subject: Fix breakage caused by core change f14cf363
X-Git-Tag: rt129539^0
X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FScope-Upper.git;a=commitdiff_plain;h=79c287e8d9ef6964f70eabda8205fac71bf1b3fe

Fix breakage caused by core change f14cf363

This fixes [RT #129539].
---

diff --git a/Upper.xs b/Upper.xs
index 5ab2040..0c762de 100644
--- a/Upper.xs
+++ b/Upper.xs
@@ -2022,12 +2022,17 @@ static int su_uplevel_runops_hook_entersub(pTHX) {
   */
  assert(sud);
  if (sud->argarray) {
+  I32 fill;
   AV *av = newAV();
   AvREAL_off(av);
   AvREIFY_on(av);
-  av_extend(av, AvMAX(sud->argarray));
-  AvFILLp(av) = AvFILLp(sud->argarray);
-  Copy(AvARRAY(sud->argarray), AvARRAY(av), AvFILLp(av) + 1, SV *);
+
+  fill = AvFILLp(sud->argarray);
+  if (fill >= 0) {
+   av_extend(av, fill);
+   Copy(AvARRAY(sud->argarray), AvARRAY(av), fill + 1, SV *);
+   AvFILLp(av) = fill;
+  }
 
   /* should be referenced by PL_curpad[0] and *_ */
   assert(SvREFCNT(PL_curpad[0]) > 1);