Update Scalar-List-Utils to CPAN version 1.26

  [DELTA]

  1.26 -- Sun Dec 16 19:39

    * Merge patch from JDHEDDEN - Add Scalar::Util::isdual() RT#76150

  1.25_01 -- Wed Nov 21 09:47

    * Fix a hash order dependency bug t/tainted.t
      (Currently this is a core only version to fix perl5 smokes)

3 files changed, 96 insertions, 5 deletions

diff --git a/cpan/List-Util/t/dualvar.t b/cpan/List-Util/t/dualvar.t
index 5c0fe2140b..abd6479001 100644
--- a/cpan/List-Util/t/dualvar.t
+++ b/cpan/List-Util/t/dualvar.t
@@ -16,22 +16,27 @@ BEGIN {
 use Scalar::Util ();
 use Test::More  (grep { /dualvar/ } @Scalar::Util::EXPORT_FAIL)
 			? (skip_all => 'dualvar requires XS version')
-			: (tests => 13);
+			: (tests => 41);
+use Config;
 
 Scalar::Util->import('dualvar');
+Scalar::Util->import('isdual');
 
 $var = dualvar( 2.2,"string");
 
+ok( isdual($var),	'Is a dualvar');
 ok( $var == 2.2,	'Numeric value');
 ok( $var eq "string",	'String value');
 
 $var2 = $var;
 
+ok( isdual($var2),	'Is a dualvar');
 ok( $var2 == 2.2,	'copy Numeric value');
 ok( $var2 eq "string",	'copy String value');
 
 $var++;
 
+ok( ! isdual($var),	'No longer dualvar');
 ok( $var == 3.2,	'inc Numeric value');
 ok( $var ne "string",	'inc String value');
 
@@ -40,15 +45,23 @@ my $numtmp = int($numstr); # use $numstr as an int
 
 $var = dualvar($numstr, "");
 
+ok( isdual($var),	'Is a dualvar');
 ok( $var == $numstr,	'NV');
 
 SKIP: {
   skip("dualvar with UV value known to fail with $]",2) if $] < 5.006_001;
-  $var = dualvar(1<<31, "");
-  ok( $var == (1<<31),	'UV 1');
-  ok( $var > 0,		'UV 2');
+  my $bits = ($Config{'use64bitint'}) ? 63 : 31;
+  $var = dualvar(1<<$bits, "");
+  ok( isdual($var),		'Is a dualvar');
+  ok( $var == (1<<$bits),	'UV 1');
+  ok( $var > 0,			'UV 2');
 }
 
+# Create a dualvar "the old fashioned way"
+$var = "10";
+ok( ! isdual($var),	'Not a dualvar');
+my $foo = $var + 0;
+ok( isdual($var),	'Is a dualvar');
 
 {
   package Tied;
@@ -59,12 +72,54 @@ SKIP: {
 
 tie my $tied, 'Tied';
 $var = dualvar($tied, "ok");
+ok(isdual($var),	'Is a dualvar');
 ok($var == 7.5,		'Tied num');
 ok($var eq 'ok',	'Tied str');
 
 
 SKIP: {
-  skip("need utf8::is_utf8",2) unless defined &utf8::is_utf8;
+  skip("need utf8::is_utf8",3) unless defined &utf8::is_utf8;
   ok(!!utf8::is_utf8(dualvar(1,chr(400))), 'utf8');
   ok( !utf8::is_utf8(dualvar(1,"abc")),    'not utf8');
 }
+
+
+SKIP: {
+  skip("Perl not compiled with 'useithreads'",20) unless ($Config{'useithreads'});
+  require threads; import threads;
+  require threads::shared; import threads::shared;
+  skip("Requires threads::shared v1.42 or later",20) unless ($threads::shared::VERSION >= 1.42);
+
+  my $siv :shared = dualvar(42, 'Fourty-Two');
+  my $snv :shared = dualvar(3.14, 'PI');
+  my $bits = ($Config{'use64bitint'}) ? 63 : 31;
+  my $suv :shared = dualvar(1<<$bits, 'Large unsigned int');
+
+  ok($siv == 42, 'Shared IV number preserved');
+  ok($siv eq 'Fourty-Two', 'Shared string preserved');
+  ok(isdual($siv), 'Is a dualvar');
+  ok($snv == 3.14, 'Shared NV number preserved');
+  ok($snv eq 'PI', 'Shared string preserved');
+  ok(isdual($snv), 'Is a dualvar');
+  ok($suv == (1<<$bits), 'Shared UV number preserved');
+  ok($suv > 0, 'Shared UV number preserved');
+  ok($suv eq 'Large unsigned int', 'Shared string preserved');
+  ok(isdual($suv), 'Is a dualvar');
+
+  my @ary :shared;
+  $ary[0] = $siv;
+  $ary[1] = $snv;
+  $ary[2] = $suv;
+
+  ok($ary[0] == 42, 'Shared IV number preserved');
+  ok($ary[0] eq 'Fourty-Two', 'Shared string preserved');
+  ok(isdual($ary[0]), 'Is a dualvar');
+  ok($ary[1] == 3.14, 'Shared NV number preserved');
+  ok($ary[1] eq 'PI', 'Shared string preserved');
+  ok(isdual($ary[1]), 'Is a dualvar');
+  ok($ary[2] == (1<<$bits), 'Shared UV number preserved');
+  ok($ary[2] > 0, 'Shared UV number preserved');
+  ok($ary[2] eq 'Large unsigned int', 'Shared string preserved');
+  ok(isdual($ary[2]), 'Is a dualvar');
+}
+
diff --git a/cpan/List-Util/t/multicall-refcount.t b/cpan/List-Util/t/multicall-refcount.t
new file mode 100644
index 0000000000..1d6fb59808
--- /dev/null
+++ b/cpan/List-Util/t/multicall-refcount.t
@@ -0,0 +1,21 @@
+use Test::More tests => 1;
+
+use List::Util 'first';
+
+our $comparison;
+
+sub foo {
+   if( $comparison ) {
+      return 1;
+   }
+   else {
+      local $comparison = 1;
+      first \&foo, 1,2,3;
+   }
+}
+
+for(1,2){
+   foo();
+}
+
+ok( "Didn't crash calling recursively" );
diff --git a/cpan/List-Util/t/sum0.t b/cpan/List-Util/t/sum0.t
new file mode 100644
index 0000000000..e76f8a79d3
--- /dev/null
+++ b/cpan/List-Util/t/sum0.t
@@ -0,0 +1,15 @@
+use strict;
+use warnings;
+
+use Test::More tests => 3;
+
+use List::Util qw( sum0 );
+
+my $v = sum0;
+is( $v, 0, 'no args' );
+
+$v = sum0(9);
+is( $v, 9, 'one arg' );
+
+$v = sum0(1,2,3,4);
+is( $v, 10, '4 args');