Summary of my perl5 (revision 5 version 8 subversion 8) configuration:
  Platform:
    osname=MSWin32, osvers=5.00, archname=MSWin32-x86-multi-thread
    uname=''
    config_args='undef'
    hint=recommended, useposix=true, d_sigaction=undef
    usethreads=define use5005threads=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='cl', ccflags ='-nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DNO_HASH_SEED -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX',
    optimize='-MD -Zi -DNDEBUG -O1',
    cppflags='-DWIN32'
    ccversion='12.00.8804', gccversion='', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=undef, longlongsize=8, d_longdbl=define, longdblsize=8
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='__int64', lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='link', ldflags ='-nologo -nodefaultlib -debug -opt:ref,icf  -libpath:"C:\progs\perl588\lib\CORE"  -machine:x86'
    libpth=\lib
    libs=  oldnames.lib kernel32.lib user32.lib gdi32.lib winspool.lib  comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib  netapi32.lib uuid.lib ws2_32.lib mpr.lib winmm.lib  version.lib odbc32.lib odbccp32.lib msvcrt.lib
    perllibs=  oldnames.lib kernel32.lib user32.lib gdi32.lib winspool.lib  comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib  netapi32.lib uuid.lib ws2_32.lib mpr.lib winmm.lib  version.lib odbc32.lib odbccp32.lib msvcrt.lib
    libc=msvcrt.lib, so=dll, useshrplib=true, libperl=perl58.lib
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_win32.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' '
    cccdlflags=' ', lddlflags='-dll -nologo -nodefaultlib -debug -opt:ref,icf  -libpath:"C:\progs\perl588\lib\CORE"  -machine:x86'


Characteristics of this binary (from libperl): 
  Compile-time options: MULTIPLICITY PERL_IMPLICIT_CONTEXT PERL_IMPLICIT_SYS
                        PERL_MALLOC_WRAP PL_OP_SLAB_ALLOC USE_ITHREADS
                        USE_LARGE_FILES USE_PERLIO USE_SITECUSTOMIZE
  Locally applied patches:
	ActivePerl Build 824 [287188]
	Iin_load_module moved for compatibility with build 806
	PerlEx support in CGI::Carp
	Less verbose ExtUtils::Install and Pod::Find
	Patch for CAN-2005-0448 from Debian with modifications
	Rearrange @INC so that 'site' is searched before 'perl'
	Partly reverted 24733 to preserve binary compatibility
	MAINT34096 plus additional changes
	31188 Problem killing a pseudo-forked child on Win32
	29732 ANSIfy the PATH environment variable on Windows
	27527,29868 win32_async_check() can loop indefinitely
	26379 Fix alarm() for Windows 2003
  Built under MSWin32
  Compiled at Sep  3 2008 11:14:55
  @INC:
    c:/progs/perl588/site/lib
    c:/progs/perl588/lib
    .

##</code><code>##

>perl588_817\bin\perl -we"$cur[2]=20; $win[2]=100; $sec[2]=undef; if ($cur[2] > $win[2]) {}" -e"elsif (0+$cur[2] > 0+$sec[2]) {}"
Use of uninitialized value in addition (+) at -e line 1.

>perl588\bin\perl -we"$cur[2]=20; $win[2]=100; $sec[2]=undef; if ($cur[2] > $win[2]) {}" -e"elsif (0+$cur[2] > 0+$sec[2]) {}"
Use of uninitialized value in addition (+) at -e line 2.

##</code><code>##

 -           <1> null vK/1 ->-
 s              <|> and(other->t) vK/1 ->k
+-                 <@> lineseq sK ->s
+-                    <0> ex-nextstate v* ->l
 r                    <2> gt sK/2 ->s
 n                       <2> add[t7] sK/2 ->o