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From 16f2ddb794883529d5a3ad8326974a07aae7e567 Mon Sep 17 00:00:00 2001
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From: Tony Cook <tony@develop-help.com>
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Date: Mon, 10 Jun 2019 10:17:20 +1000
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Subject: [PATCH] (perl #134179) include regexps in the seen objects table on
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retrieve
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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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Also, bless the regexp object, so freezing/thawing bless qr//, "Foo"
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returns a "Foo" blesses regexp.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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dist/Storable/Storable.xs | 5 +++--
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dist/Storable/t/regexp.t | 4 +++-
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dist/Storable/t/weak.t | 10 +++++++++-
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3 files changed, 15 insertions(+), 4 deletions(-)
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diff --git a/dist/Storable/Storable.xs b/dist/Storable/Storable.xs
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index ed729c94a6..6a45d8adf2 100644
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--- a/dist/Storable/Storable.xs
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+++ b/dist/Storable/Storable.xs
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@@ -6808,8 +6808,7 @@ static SV *retrieve_regexp(pTHX_ stcxt_t *cxt, const char *cname) {
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SV *sv;
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dSP;
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I32 count;
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-
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- PERL_UNUSED_ARG(cname);
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+ HV *stash;
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ENTER;
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SAVETMPS;
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@@ -6857,6 +6856,8 @@ static SV *retrieve_regexp(pTHX_ stcxt_t *cxt, const char *cname) {
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sv = SvRV(re_ref);
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SvREFCNT_inc(sv);
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+ stash = cname ? gv_stashpv(cname, GV_ADD) : 0;
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+ SEEN_NN(sv, stash, 0);
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FREETMPS;
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LEAVE;
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diff --git a/dist/Storable/t/regexp.t b/dist/Storable/t/regexp.t
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index acf28cfec6..e7c6c7e94a 100644
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--- a/dist/Storable/t/regexp.t
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+++ b/dist/Storable/t/regexp.t
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@@ -37,7 +37,7 @@ while (<DATA>) {
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}
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}
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-plan tests => 9 + 3*scalar(@tests);
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+plan tests => 10 + 3*scalar(@tests);
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SKIP:
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{
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@@ -75,6 +75,8 @@ SKIP:
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ok(!eval { dclone($re) }, "should fail to clone, even with use re 'eval'");
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}
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+is(ref(dclone(bless qr//, "Foo")), "Foo", "check reblessed regexps");
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+
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for my $test (@tests) {
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my ($code, $not, $match, $matchc, $name) = @$test;
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my $qr = eval $code;
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diff --git a/dist/Storable/t/weak.t b/dist/Storable/t/weak.t
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index 220c70160f..48752fbec4 100644
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--- a/dist/Storable/t/weak.t
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+++ b/dist/Storable/t/weak.t
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@@ -29,7 +29,7 @@ sub BEGIN {
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}
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use Test::More 'no_plan';
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-use Storable qw (store retrieve freeze thaw nstore nfreeze);
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+use Storable qw (store retrieve freeze thaw nstore nfreeze dclone);
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require 'testlib.pl';
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our $file;
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use strict;
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@@ -143,3 +143,11 @@ foreach (@tests) {
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$stored = nfreeze $input;
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tester($stored, \&freeze_and_thaw, $testsub, 'network string');
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}
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+
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+{
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+ # [perl #134179] sv_upgrade from type 7 down to type 1
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+ my $foo = [qr//,[]];
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+ weaken($foo->[1][0][0] = $foo->[1]);
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+ my $out = dclone($foo); # croaked here
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+ is_deeply($out, $foo, "check they match");
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+}
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--
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2.20.1
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