Blame SOURCES/perl-5.16.3-Don-t-leak-deleted-iterator-when-tying-hash.patch
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From 677ffc8fe97148750054b11e7fbd21c98f860ee1 Mon Sep 17 00:00:00 2001
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From: Father Chrysostomos <sprout@cpan.org>
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Date: Fri, 21 Sep 2012 18:23:20 -0700
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Subject: [PATCH] =?UTF-8?q?Don=E2=80=99t=20leak=20deleted=20iterator=20whe?=
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=?UTF-8?q?n=20tying=20hash?=
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Petr Pisar: ported to 5.16.3
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---
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pp_sys.c | 7 +++++++
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t/op/tie.t | 13 +++++++++++++
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2 files changed, 20 insertions(+)
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diff --git a/pp_sys.c b/pp_sys.c
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index 034a2d0..0e35d59 100644
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--- a/pp_sys.c
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+++ b/pp_sys.c
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@@ -852,9 +852,16 @@ PP(pp_tie)
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switch(SvTYPE(varsv)) {
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case SVt_PVHV:
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+ {
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+ HE *entry;
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methname = "TIEHASH";
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+ if (HvLAZYDEL(varsv) && (entry = HvEITER((HV *)varsv))) {
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+ HvLAZYDEL_off(varsv);
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+ hv_free_ent((HV *)varsv, entry);
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+ }
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HvEITER_set(MUTABLE_HV(varsv), 0);
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break;
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+ }
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case SVt_PVAV:
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methname = "TIEARRAY";
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if (!AvREAL(varsv)) {
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diff --git a/t/op/tie.t b/t/op/tie.t
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index 9301bb3..5a536b8 100644
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--- a/t/op/tie.t
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+++ b/t/op/tie.t
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@@ -1259,3 +1259,16 @@ $h{i}{j} = 'k';
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print $h{i}{j}, "\n";
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EXPECT
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k
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+########
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+
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+# NAME Test that tying a hash does not leak a deleted iterator
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+# This produced unbalanced string table warnings under
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+# PERL_DESTRUCT_LEVEL=2.
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+package l {
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+ sub TIEHASH{bless[]}
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+}
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+$h = {foo=>0};
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+each %$h;
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+delete $$h{foo};
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+tie %$h, 'l';
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+EXPECT
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--
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1.8.1.4
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