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perl-5.28.2-2.mga7.src.rpm

From cb2fda94b02c5b7e8d16582410034f5a3dae526f Mon Sep 17 00:00:00 2001
From: Tony Cook <tony@develop-help.com>
Date: Tue, 25 Jul 2017 16:21:22 +1000
Subject: [PATCH] (perl #131588) be a little more careful in arybase::_tie_it()
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Original patch by John Leitch <john@autosectools.com>
Petr Pisar: Ported to 5.26.0.

Signed-off-by: Petr Písař <ppisar@redhat.com>
---
 ext/arybase/arybase.xs  | 10 ++++++----
 ext/arybase/t/arybase.t |  4 +++-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/ext/arybase/arybase.xs b/ext/arybase/arybase.xs
index 880bbe3..216442a 100644
--- a/ext/arybase/arybase.xs
+++ b/ext/arybase/arybase.xs
@@ -428,10 +428,12 @@ _tie_it(SV *sv)
     INIT:
 	GV * const gv = (GV *)sv;
     CODE:
-	if (GvSV(gv))
-	    /* This is *our* scalar now!  */
-	    sv_unmagic(GvSV(gv), PERL_MAGIC_sv);
-	tie(aTHX_ GvSVn(gv), NULL, GvSTASH(CvGV(cv)));
+	if (isGV(gv)) {
+	    if (GvSV(gv))
+	        /* This is *our* scalar now!  */
+	        sv_unmagic(GvSV(gv), PERL_MAGIC_sv);
+	    tie(aTHX_ GvSVn(gv), NULL, GvSTASH(CvGV(cv)));
+	}
 
 void
 FETCH(...)
diff --git a/ext/arybase/t/arybase.t b/ext/arybase/t/arybase.t
index f3d3287..41e90df 100644
--- a/ext/arybase/t/arybase.t
+++ b/ext/arybase/t/arybase.t
@@ -4,7 +4,7 @@
 # plus miscellaneous bug fix tests
 
 no warnings 'deprecated';
-use Test::More tests => 7;
+use Test::More tests => 8;
 
 sub outside_base_scope { return "${'['}" }
 
@@ -34,4 +34,6 @@ is $@, "That use of \$[ is unsupported at $f line $l.\n",
 
 sub foo { my $x; $x = wait } # compilation of this routine used to crash
 
+ok eval { arybase::_tie_it(1); 1 }, "don't crash on bad call to _tie_it()";
+
 1;
-- 
2.9.4