cperl-5.25.0c release

the new development track.

several for loop performance enhancements.
faster strQEc macros.
some minor bugfixes and the mingw fix.

Author: Reini Urban

.git-rr-cache

@@ -21,14 +21,6 @@ used in production, only during development.
 perl5.24.1 changed PERLIO_DEBUG to only be active for PerlIO debugging
 together with -Di.
 
-=head1 Security
-
-XXX Any security-related notices go here.  In particular, any security
-vulnerabilities closed should be noted here rather than in the
-L</Selected Bug Fixes> section.
-
-[ List each security issue as a =head2 entry ]
-
 =head1 Performance Enhancements
 
 =over 4
@@ -77,14 +69,6 @@ levels.
 
 =head1 Modules and Pragmata
 
-XXX All changes to installed files in F<cpan/>, F<dist/>, F<ext/> and F<lib/>
-go here.  If Module::CoreList is updated, generate an initial draft of the
-following sections using F<Porting/corelist-perldelta.pl>.  A paragraph summary
-for important changes should then be added by hand.  In an ideal world,
-dual-life modules would have a F<Changes> file that could be cribbed.
-
-[ Within each section, list entries as a =item entry ]
-
 =head2 Updated Modules and Pragmata
 
 =over 4
@@ -122,103 +106,8 @@ loop.  i.e. C<for ('z'..'a')> is currently valid.
 
 =back
 
-=head1 Documentation
-
-XXX Changes to files in F<pod/> go here.  Consider grouping entries by
-file and be sure to link to the appropriate page, e.g. L<perlfunc>.
-
-=head2 Changes to Existing Documentation
-
-XXX Changes which significantly change existing files in F<pod/> go here.
-However, any changes to F<pod/perldiag.pod> should go in the L</Diagnostics>
-section.
-
-=head3 L<XXX>
-
-=over 4
-
-=item *
-
-XXX Description of the change here
-
-=back
-
-=head1 Utility Changes
-
-XXX Changes to installed programs such as F<cperlbug> and F<xsubpp> go here.
-Most of these are built within the directory F<utils>.
-
-[ List utility changes as a =head2 entry for each utility and =item
-entries for each change
-Use L<XXX> with program names to get proper documentation linking. ]
-
-=head2 L<XXX>
-
-=over 4
-
-=item *
-
-XXX
-
-=back
-
-=head1 Configuration and Compilation
-
-XXX Changes to F<Configure>, F<installperl>, F<installman>, and analogous tools
-go here.  Any other changes to the Perl build process should be listed here.
-However, any platform-specific changes should be listed in the
-L</Platform Support> section, instead.
-
-[ List changes as a =item entry ].
-
-=over 4
-
-=item *
-
-XXX
-
-=back
-
-=head1 Testing
-
-XXX Any significant changes to the testing of a freshly built perl should be
-listed here.  Changes which create B<new> files in F<t/> go here as do any
-large changes to the testing harness (e.g. when parallel testing was added).
-Changes to existing files in F<t/> aren't worth summarizing, although the bugs
-that they represent may be covered elsewhere.
-
-[ List each test improvement as a =item entry ]
-
-=over 4
-
-=item *
-
-XXX
-
-=back
-
 =head1 Platform Support
 
-XXX Any changes to platform support should be listed in the sections below.
-
-[ Within the sections, list each platform as a =item entry with specific
-changes as paragraphs below it. ]
-
-=head2 New Platforms
-
-XXX List any platforms that this version of perl compiles on, that previous
-versions did not.  These will either be enabled by new files in the F<hints/>
-directories, or new subdirectories and F<README> files at the top level of the
-source tree.
-
-=over 4
-
-=item XXX-some-platform
-
-XXX
-
-=back
-
 =head2 Platform-Specific Notes
 
 =over 4
@@ -228,76 +117,60 @@ XXX
 Compilation under mingw (32 and/or 64bit) was fixed by removing a
 duplicate F<pp_sys.c> entry in F<win32/GNUMakefile>.
 
-=back
+=item linux
 
-=head1 Internal Changes
+Check for null in pp_ghostent et al.
 
-XXX Changes which affect the interface available to C<XS> code go here.  Other
-significant internal changes for future core maintainers should be noted as
-well.
+On some platforms (such as Gentoo Linux with torsocks),
+hent->h_aliases (where hent is a struct hostent *) may be null after a
+gethostent call.
 
-[ List each change as a =item entry ]
-
-=over 4
-
-=item *
-
-The B<negate> op has now it's own B<ck_negate> callback.
+L<RT#128740|https://rt.perl.org/Public/Bug/Display.html?id=128740>
 
 =back
 
-=head1 Selected Bug Fixes
-
-XXX Important bug fixes in the core language are summarized here.  Bug fixes in
-files in F<ext/> and F<lib/> are best summarized in L</Modules and Pragmata>.
-
-[ List each fix as a =item entry ]
+=head1 Internal Changes
 
 =over 4
 
 =item *
 
-XXX
+The B<negate> op has now it's own B<ck_negate> callback.
 
 =back
 
-=head1 Known Problems
-
-XXX Descriptions of platform agnostic bugs we know we can't fix go here.  Any
-tests that had to be C<TODO>ed for the release would be noted here.  Unfixed
-platform specific bugs also go here.
-
-[ List each fix as a =item entry ]
+=head1 Selected Bug Fixes
 
 =over 4
 
-=item *
+=item SvREADONLY_off: allow calls as argument
 
-XXX
+No multiple evaluation of its argument anymore.
 
 =back
 
-=head1 Errata From Previous Releases
-
-=over 4
-
-=item *
+=head1 Acknowledgements
 
-XXX Add anything here that we forgot to add, or were mistaken about, in
-the perldelta of a previous release.
+Perl 5.25.0 represents approximately 2 weeks of development since Perl 5.24.0c
+and contains approximately 6,300 lines of changes across 120 files from 4
+authors.
 
-=back
+Excluding auto-generated files, documentation and release tools, there were
+approximately 3,900 lines of changes to 53 .pm, .t, .c and .h files.
 
-=head1 Obituary
+Perl continues to flourish into its third decade thanks to a vibrant community
+of users and developers. The following people are known to have contributed the
+improvements that became Perl 5.25.0:
 
-XXX If any significant core contributor has died, we've added a short obituary
-here.
-
-=head1 Acknowledgements
+Reini Urban, Father Chrysostomos, Daniel Dragan, Tony Cook.
 
-XXX Generate this with:
+The list above is almost certainly incomplete as it is automatically generated
+from version control history. In particular, it does not include the names of
+the (very much appreciated) contributors who reported issues to the Perl bug
+tracker.
 
-  perl Porting/acknowledgements.pl v5.22.1..HEAD
+For a more complete list of all of Perl's historical contributors, please see
+the F<AUTHORS> file in the Perl source distribution.
 
 =head1 Reporting Bugs
 

pod/perlcdelta.pod

@@ -604,6 +604,7 @@ the strings?).
  Sawyer X  5.25.1       2016-May-20
  Matthew   5.25.2       2016-Jun-20
 
+ rurban    5.25.0c      2016-Aug-07
 
 =head2 SELECTED RELEASE MEMORY USAGE
 

pod/perlhist.pod

@@ -336,7 +336,6 @@ pod/cperl.pod	Verbatim line length including indents exceeds 79 by	8
 pod/perl.pod	Verbatim line length including indents exceeds 79 by	8
 pod/perl5222cdelta.pod	? Should you be using F<...> or maybe L<...> instead of	1
 pod/perl5240cdelta.pod	Apparent broken link	1
-pod/perl5250cdelta.pod	Apparent internal link is missing its forward slash	3
 pod/perlandroid.pod	Verbatim line length including indents exceeds 79 by	3
 pod/perlapi.pod	Verbatim line length including indents exceeds 79 by	2
 pod/perlbook.pod	Verbatim line length including indents exceeds 79 by	1