AIX 5.3 with xlc 12.1

I just installed (upgraded) to the newesr AIX C compiler and ran the
test suite

  Compiler:
    cc='xlc -q64', ccflags ='-q64 -DDEBUGGING -qlanglvl=extended -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxmem=-1 -qnoansialias -DUSE_NATIVE_DLOPEN -qlanglvl=extended -I/pro/local/include -q64 -DUSE_64_BIT_ALL -q64',
    optimize='-O',
    cppflags='-DDEBUGGING -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -DUSE_NATIVE_DLOPEN -I/pro/local/include'
    ccversion='12.1.0.0', gccversion='', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=87654321
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=8
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=8, prototype=define


Test Summary Report
-------------------
../cpan/CGI/t/tmpdir.t                                          (Wstat: 0 Tests: 9 Failed: 0)
  TODO passed:   3-9
../dist/IO/t/io_xs.t                                            (Wstat: 256 Tests: 5 Failed: 1)
  Failed test:  5
  Non-zero exit status: 1
Files=2329, Tests=522683, 1099 wallclock secs (133.98 usr 16.85 sys + 802.63 cusr 87.80 csys = 1041.26 CPU)
Result: FAIL


perl-current/t 136 > ./perl harness -v ../dist/IO/t/io_xs.t
../dist/IO/t/io_xs.t ..
1..5
ok 1 - new_tmpfile
ok 2 - check we can write to the tempfile
ok 3 - test getpos/setpos

#   Failed test 'sync to a read only directory handle'
#   at t/io_xs.t line 48.
ok 4 - setpos(undef) makes errno non-zero
not ok 5 - sync to a read only directory handle
# Looks like you failed 1 test of 5.
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/5 subtests

Test Summary Report
-------------------
../dist/IO/t/io_xs.t (Wstat: 256 Tests: 5 Failed: 1)
  Failed test:  5
  Non-zero exit status: 1
Files=1, Tests=5,  0 wallclock secs ( 0.02 usr  0.01 sys +  0.07 cusr  0.00 csys =  0.10 CPU)
Result: FAIL


-- 
H.Merijn Brand  http://tux.nl   Perl Monger  http://amsterdam.pm.org/
using perl5.00307 .. 5.14   porting perl5 on HP-UX, AIX, and openSUSE
http://mirrors.develooper.com/hpux/        http://www.test-smoke.org/
http://qa.perl.org   http://www.goldmark.org/jeff/stupid-disclaimers/

• AIX 5.3 with xlc 12.1 by H.Merijn Brand