[perl #118451] Bareword hash key rejected when hash is a subroutine result and -> omitted

# New Ticket Created by  Rob Dixon 
# Please include the string:  [perl #118451]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=118451 >



This is a bug report for perl from rob.dixon@gmx.com,
generated with the help of perlbug 1.39 running under perl 5.16.2.

use strict;
use warnings;
use 5.016;

my $hashsub = sub {
  { key => 'val' }
};

# These work fine

print $hashsub->()->{key}, "\n";
print $hashsub->(){'key'}, "\n";

# But this throws `Bareword "key" not allowed while "strict subs" in use`

print $hashsub->(){key}, "\n";


---
Flags:
    category=core
    severity=medium
---
Site configuration information for perl 5.16.2:

Configured by strawberry-perl at Fri Nov  2 00:34:53 2012.

Summary of my perl5 (revision 5 version 16 subversion 2) configuration:
     Platform:
    osname=MSWin32, osvers=4.0, archname=MSWin32-x86-multi-thread
    uname='Win32 strawberry-perl 5.16.2.1 #1 Fri Nov  2 00:33:54 2012 i386'
    config_args='undef'
    hint=recommended, useposix=true, d_sigaction=undef
    useithreads=define, usemultiplicity=define
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=undef, use64bitall=undef, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='gcc', ccflags =' -s -O2 -DWIN32  -DPERL_TEXTMODE_SCRIPTS -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -fno-strict-aliasing -mms-bitfields',
    optimize='-s -O2',
    cppflags='-DWIN32'
    ccversion='', gccversion='4.6.3', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=undef, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='long long', lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='g++', ldflags ='-s -L"C:\strawberry\perl\lib\CORE" -L"C:\strawberry\c\lib"'
    libpth=C:\strawberry\c\lib C:\strawberry\c\i686-w64-mingw32\lib
    libs=-lmoldname -lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshell32 -lole32 -loleaut32 -lnetapi32 -luuid -lws2_32 -lmpr -lwinmm -lversion -lodbc32 -lodbccp32 -lcomctl32
    perllibs=-lmoldname -lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshell32 -lole32 -loleaut32 -lnetapi32 -luuid -lws2_32 -lmpr -lwinmm -lversion -lodbc32 -lodbccp32 -lcomctl32
    libc=, so=dll, useshrplib=true, libperl=libperl516.a
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_win32.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' '
    cccdlflags=' ', lddlflags='-mdll -s -L"C:\strawberry\perl\lib\CORE" -L"C:\strawberry\c\lib"'

Locally applied patches:
    
---
@INC for perl 5.16.2:
    C:/strawberry/perl/site/lib/MSWin32-x86-multi-thread
    C:/strawberry/perl/site/lib
    C:/strawberry/perl/vendor/lib
    C:/strawberry/perl/lib
    .

---
Environment for perl 5.16.2:
    HOME (unset)
    LANG (unset)
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=C:\Program Files (x86)\ImageMagick-6.8.3-Q16;C:\Program Files\ImageMagick-6.8.3-Q16;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\PC Connectivity Solution\;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files (x86)\PHP\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\jEdit;C:\usr\local\ppt\bin;C:\Program Files (x86)\GnuWin32\bin;C:\Program Files (x86)\Smart Projects\IsoBuster;C:\Program Files (x86)\Oracle\Berkeley DB 11gR2 5.3.15\bin;C:\Program Files (x86)\Git\cmd;C:\Program Files (x86)\Calibre2\;C:\Program Files (x86)\Bazaar;C:\Program Files (x86)\Lua\5.1;C:\Program Files (x86)\Lua\5.1\clibs;C:\strawberry\c\bin;C:\strawberry\perl\site\bin;C:\strawberry\perl\bin;C:\Program Files\TortoiseSVN\bin;C:\MediaInfoCLI;C:\Program Files (x86)\MKVToolNix;C:\Program Files\WinRAR;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files (
 x86)\Co
mmon Files\Hackety Hack\0.r1529\..;C:\Program Files (x86)\IDM Computer Solutions\UltraCompare\;C:\ffmpeg\bin;C:\Program Files (x86)\Serviio\lib;C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\x86_amd64;C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\amd64;C:\SWIG;C:\MinGW\bin;C:\MinGW\MSYS\1.0\bin;C:\Python27;C:\Curl;C:\pkg-config\bin;C:\glib\bin;C:\gettext-runtime\bin;C:\Program Files (x86)\IDM Computer Solutions\UltraEdit\;C:\LuaRocks\2.0;C:\Program Files (x86)\Android\android-sdk\platform-tools;C:\Ruby193\bin;C:\Ruby193.DevKit\bin;C:\Program Files (x86)\Nmap;C:\Program Files (x86)\EaseUS\Todo Backup\bin\x64\
    PERL_BADLANG (unset)
    SHELL (unset)
---
Flags:
    category=core
    severity=medium
---
Site configuration information for perl 5.16.2:

Configured by strawberry-perl at Fri Nov  2 00:34:53 2012.

Summary of my perl5 (revision 5 version 16 subversion 2) configuration:
     Platform:
    osname=MSWin32, osvers=4.0, archname=MSWin32-x86-multi-thread
    uname='Win32 strawberry-perl 5.16.2.1 #1 Fri Nov  2 00:33:54 2012 i386'
    config_args='undef'
    hint=recommended, useposix=true, d_sigaction=undef
    useithreads=define, usemultiplicity=define
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=undef, use64bitall=undef, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='gcc', ccflags =' -s -O2 -DWIN32  -DPERL_TEXTMODE_SCRIPTS -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -fno-strict-aliasing -mms-bitfields',
    optimize='-s -O2',
    cppflags='-DWIN32'
    ccversion='', gccversion='4.6.3', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=undef, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='long long', lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='g++', ldflags ='-s -L"C:\strawberry\perl\lib\CORE" -L"C:\strawberry\c\lib"'
    libpth=C:\strawberry\c\lib C:\strawberry\c\i686-w64-mingw32\lib
    libs=-lmoldname -lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshell32 -lole32 -loleaut32 -lnetapi32 -luuid -lws2_32 -lmpr -lwinmm -lversion -lodbc32 -lodbccp32 -lcomctl32
    perllibs=-lmoldname -lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshell32 -lole32 -loleaut32 -lnetapi32 -luuid -lws2_32 -lmpr -lwinmm -lversion -lodbc32 -lodbccp32 -lcomctl32
    libc=, so=dll, useshrplib=true, libperl=libperl516.a
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_win32.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' '
    cccdlflags=' ', lddlflags='-mdll -s -L"C:\strawberry\perl\lib\CORE" -L"C:\strawberry\c\lib"'

Locally applied patches:
    
---
@INC for perl 5.16.2:
    C:/strawberry/perl/site/lib/MSWin32-x86-multi-thread
    C:/strawberry/perl/site/lib
    C:/strawberry/perl/vendor/lib
    C:/strawberry/perl/lib
    .

---
Environment for perl 5.16.2:
    HOME (unset)
    LANG (unset)
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=C:\Program Files (x86)\ImageMagick-6.8.3-Q16;C:\Program Files\ImageMagick-6.8.3-Q16;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\PC Connectivity Solution\;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files (x86)\PHP\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\jEdit;C:\usr\local\ppt\bin;C:\Program Files (x86)\GnuWin32\bin;C:\Program Files (x86)\Smart Projects\IsoBuster;C:\Program Files (x86)\Oracle\Berkeley DB 11gR2 5.3.15\bin;C:\Program Files (x86)\Git\cmd;C:\Program Files (x86)\Calibre2\;C:\Program Files (x86)\Bazaar;C:\Program Files (x86)\Lua\5.1;C:\Program Files (x86)\Lua\5.1\clibs;C:\strawberry\c\bin;C:\strawberry\perl\site\bin;C:\strawberry\perl\bin;C:\Program Files\TortoiseSVN\bin;C:\MediaInfoCLI;C:\Program Files (x86)\MKVToolNix;C:\Program Files\WinRAR;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files (
 x86)\Co
mmon Files\Hackety Hack\0.r1529\..;C:\Program Files (x86)\IDM Computer Solutions\UltraCompare\;C:\ffmpeg\bin;C:\Program Files (x86)\Serviio\lib;C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\x86_amd64;C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\amd64;C:\SWIG;C:\MinGW\bin;C:\MinGW\MSYS\1.0\bin;C:\Python27;C:\Curl;C:\pkg-config\bin;C:\glib\bin;C:\gettext-runtime\bin;C:\Program Files (x86)\IDM Computer Solutions\UltraEdit\;C:\LuaRocks\2.0;C:\Program Files (x86)\Android\android-sdk\platform-tools;C:\Ruby193\bin;C:\Ruby193.DevKit\bin;C:\Program Files (x86)\Nmap;C:\Program Files (x86)\EaseUS\Todo Backup\bin\x64\;C:\Program Files (x86)\TextPad 6
    PERL_BADLANG (unset)
    SHELL (unset)

• [perl #118451] Bareword hash key rejected when hash is a subroutine result and -> omitted by Father Chrysostomos via RT
• [perl #118451] Bareword hash key rejected when hash is a subroutine result and -> omitted by James E Keenan via RT
• [perl #118451] Bareword hash key rejected when hash is a subroutine result and -> omitted by Rob Dixon