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Ported to 5.16.1:
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From 4505a31f43ca4e1a0e9203b389f6d4bebab9d899 Mon Sep 17 00:00:00 2001
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From: Father Chrysostomos <sprout@cpan.org>
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Date: Tue, 9 Oct 2012 20:47:18 -0700
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Subject: [PATCH] =?UTF-8?q?[perl=20#115206]=20Don=E2=80=99t=20crash=20when=20?=
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=?UTF-8?q?vivifying=20$|?=
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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It was trying to read the currently-selected handle without checking
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whether it was selected. It is actually not necessary to initialise
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the variable this way, as the next use of get-magic on it will clobber
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the cached value.
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This initialisation was originally added in commit d8ce0c9a45. The
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bug it was fixing was probably caused by missing FETCH calls that are
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no longer missing.
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---
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gv.c | 5 +----
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t/op/magic.t | 5 ++++-
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2 files changed, 5 insertions(+), 5 deletions(-)
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diff --git a/gv.c b/gv.c
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index f352452..cf02ca4 100644
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--- a/gv.c
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+++ b/gv.c
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@@ -1913,10 +1913,6 @@ Perl_gv_fetchpvn_flags(pTHX_ const char *nambeg, STRLEN full_len, I32 flags,
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Perl_ck_warner_d(aTHX_ packWARN2(WARN_DEPRECATED, WARN_SYNTAX),
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"$%c is no longer supported", *name);
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break;
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- case '|': /* $| */
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- sv_setiv(GvSVn(gv), (IV)(IoFLAGS(GvIOp(PL_defoutgv)) & IOf_FLUSH) != 0);
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- goto magicalize;
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-
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case '\010': /* $^H */
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{
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HV *const hv = GvHVn(gv);
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@@ -1957,6 +1953,7 @@ Perl_gv_fetchpvn_flags(pTHX_ const char *nambeg, STRLEN full_len, I32 flags,
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case '>': /* $> */
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case '\\': /* $\ */
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case '/': /* $/ */
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+ case '|': /* $| */
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case '$': /* $$ */
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case '\001': /* $^A */
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case '\003': /* $^C */
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diff --git a/t/op/magic.t b/t/op/magic.t
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index 3fb1ea1..1bcfbd9 100644
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--- a/t/op/magic.t
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+++ b/t/op/magic.t
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@@ -5,7 +5,7 @@ BEGIN {
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chdir 't' if -d 't';
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@INC = '../lib';
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require './test.pl';
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- plan (tests => 156);
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+ plan (tests => 157);
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}
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# Test that defined() returns true for magic variables created on the fly,
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@@ -581,6 +581,11 @@ SKIP: {
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}
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}
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+# $|
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+fresh_perl_is
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+ 'select f; undef *f; ${q/|/}; print STDOUT qq|ok\n|', "ok\n", {},
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+ '[perl #115206] no crash when vivifying $| while *{+select}{IO} is undef';
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+
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# ^^^^^^^^^ New tests go here ^^^^^^^^^
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SKIP: {
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--
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1.7.7.6
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