Don't use $1 blindly in File::Temp->tempdir

On VMS only there is some very old code that has been making blind
use of $1 without knowing if the match succeeded. If $1 happens to
be empty when the match fails, no harm is done, but if it has a
value in it whose length is longer than the position of the final
'X' in the template pattern, _gettemp ends up with a negative
offset and things go off the rails.  ext/File-Find/t/taint.t has
been failing in core because of this.

Fixed upstream:

Perl-Toolchain-Gang/File-Temp@d640d0d

Author: craigberry

Porting/Maintainers.pl

@@ -558,6 +558,9 @@ package Maintainers;
             qr[^t/00-report-prereqs],
             qr{^xt},
         ],
+        'CUSTOMIZED' => [
+            qw( lib/File/Temp.pm )
+        ],
     },
 
     'Filter::Simple' => {

cpan/File-Temp/lib/File/Temp.pm

@@ -1,7 +1,7 @@
 package File::Temp; # git description: v0.2310-3-gc7148fe
 # ABSTRACT: return name and handle of a temporary file safely
 
-our $VERSION = '0.2311';
+our $VERSION = '0.2311_01';
 
 #pod =begin :__INTERNALS
 #pod
@@ -1706,8 +1706,8 @@ sub tempdir  {
   # Create the directory
   my $tempdir;
   my $suffixlen = 0;
-  if ($^O eq 'VMS') {           # dir names can end in delimiters
-    $template =~ m/([\.\]:>]+)$/;
+  if ($^O eq 'VMS'
+      && ($template =~ m/([\.\]:>]+)$/)) { # dir specs can end in delimiters
     $suffixlen = length($1);
   }
   if ( ($^O eq 'MacOS') && (substr($template, -1) eq ':') ) {

t/porting/customized.dat

@@ -4,6 +4,7 @@
 AutoLoader cpan/AutoLoader/t/02AutoSplit.t bb90cda13b88599ad45de4b45799d5218afcb6d8
 ExtUtils::Constant cpan/ExtUtils-Constant/lib/ExtUtils/Constant/Base.pm 7560e1018f806db5689dee78728ccb8374aea741
 ExtUtils::Constant cpan/ExtUtils-Constant/t/Constant.t 165e9c7132b003fd192d32a737b0f51f9ba4999e
+File::Temp cpan/File-Temp/lib/File/Temp.pm d55be6139dbc5d821ad5d55141f35c608b06db75
 Filter::Util::Call pod/perlfilter.pod d1e217d0bc6083755b9017050b8724472c58275a
 Locale::Maketext::Simple cpan/Locale-Maketext-Simple/lib/Locale/Maketext/Simple.pm 57ed38905791a17c150210cd6f42ead22a7707b6
 MIME::Base64 cpan/MIME-Base64/Base64.xs ad617fe2d01932c35b92defa26d40aba601a95a8