From 984a4bea51971bb283e220c062d5c48cc4392e13 Mon Sep 17 00:00:00 2001
From: Rick Delaney <rick@consumercontact.com>
Date: Sun, 21 Aug 2005 11:09:57 -0400
Subject: [PATCH] Re: [perl #36959] List Constructor Operator - Undefined
 Values Message-ID: <20050821190957.GE7674@localhost.localdomain>

p4raw-id: //depot/perl@25319
---
 pp_ctl.c     |  2 ++
 t/op/range.t | 50 +++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/pp_ctl.c b/pp_ctl.c
index 983a760..3952a4a 100644
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -1843,6 +1843,8 @@ PP(pp_enteriter)
 	if (SvTYPE(cx->blk_loop.iterary) != SVt_PVAV) {
 	    dPOPss;
 	    SV *right = (SV*)cx->blk_loop.iterary;
+	    SvGETMAGIC(sv);
+	    SvGETMAGIC(right);
 	    if (RANGE_IS_NUMERIC(sv,right)) {
 		if ((SvOK(sv) && SvNV(sv) < IV_MIN) ||
 		    (SvOK(right) && SvNV(right) >= IV_MAX))
diff --git a/t/op/range.t b/t/op/range.t
index 310f480..8cc327b 100755
--- a/t/op/range.t
+++ b/t/op/range.t
@@ -7,7 +7,7 @@ BEGIN {
 
 use Config;
 
-print "1..37\n";
+print "1..45\n";
 
 print join(':',1..5) eq '1:2:3:4:5' ? "ok 1\n" : "not ok 1\n";
 
@@ -140,3 +140,51 @@ print join(":", map "[$_]", @foo) eq '' ? "ok 36\n" : "not ok 36\n";
 
 @foo=(); push @foo, $_ for undef..undef;
 print join(":", map "[$_]", @foo) eq '[]' ? "ok 37\n" : "not ok 37\n";
+
+# again with magic
+{
+    my @a = (1..3);
+    @foo=(); push @foo, $_ for undef..$#a;
+    print join(":", @foo) eq '0:1:2' ? "ok 38\n" : "not ok 38\n";
+}
+{
+    my @a = ();
+    @foo=(); push @foo, $_ for $#a..undef;
+    print join(":", @foo) eq '-1:0' ? "ok 39\n" : "not ok 39\n";
+}
+{
+    local $1;
+    "2" =~ /(.+)/;
+    @foo=(); push @foo, $_ for undef..$1;
+    print join(":", @foo) eq '0:1:2' ? "ok 40\n" : "not ok 40\n";
+}
+{
+    local $1;
+    "-2" =~ /(.+)/;
+    @foo=(); push @foo, $_ for $1..undef;
+    print join(":", @foo) eq '-2:-1:0' ? "ok 41\n" : "not ok 41\n";
+}
+{
+    local $1;
+    "B" =~ /(.+)/;
+    @foo=(); push @foo, $_ for undef..$1;
+    print join(":", map "[$_]", @foo) eq '[]' ? "ok 42\n" : "not ok 42\n";
+}
+{
+    local $1;
+    "B" =~ /(.+)/;
+    @foo=(); push @foo, $_ for ""..$1;
+    print join(":", map "[$_]", @foo) eq '[]' ? "ok 43\n" : "not ok 43\n";
+}
+{
+    local $1;
+    "B" =~ /(.+)/;
+    @foo=(); push @foo, $_ for $1..undef;
+    print join(":", map "[$_]", @foo) eq '' ? "ok 44\n" : "not ok 44\n";
+}
+{
+    local $1;
+    "B" =~ /(.+)/;
+    @foo=(); push @foo, $_ for $1.."";
+    print join(":", map "[$_]", @foo) eq '' ? "ok 45\n" : "not ok 45\n";
+}
-- 
2.7.4