From rd@thrush.com

The pragma/warn/pp_hot diagnostic indicates this problem may occur
with glibc; however, bsdi doesn't use glibc...

base/cond...........ok
[...]
pragma/utf8.........ok
pragma/warning......PROG​:
# pp_hot.c
use warning 'io' ;
print STDIN "anc";
print <STDOUT>;
print <STDERR>;
open(FOO, ">&STDOUT") and print <FOO>;
print getc(STDERR);
print getc(FOO);
read(FOO,$_,1);
no warning 'io' ;
print STDIN "anc";
####################################################################
# N O T E #
# This test is known to fail on Linux and *BSD systems with glibc. #
# The glibc development team is aware of the problem, and has #
# determined a fix for the next release of that library. #
####################################################################
EXPECTED​:
Filehandle main​::STDIN opened only for input at - line 3.
Filehandle main​::STDOUT opened only for output at - line 4.
Filehandle main​::STDERR opened only for output at - line 5.
Filehandle main​::FOO opened only for output at - line 6.
Filehandle main​::STDERR opened only for output at - line 7.
Filehandle main​::FOO opened only for output at - line 8.
Filehandle main​::FOO opened only for output at - line 9.
GOT​:
Filehandle main​::STDIN opened only for input at - line 3.
Filehandle main​::STDOUT opened only for output at - line 4.
Filehandle main​::STDERR opened only for output at - line 5.
Filehandle main​::STDERR opened only for output at - line 7.
FAILED at test 192
lib/abbrev..........ok
[...]
lib/trig............ok
Failed 1 test script out of 212, 99.53% okay.
  ### Since not all tests were successful, you may want to run some
  ### of them individually and examine any diagnostic messages they
  ### produce. See the INSTALL document's section on "make test".
  ### If you are testing the compiler, then ignore this message
  ### and run
  ### ./perl harness
  ### in the directory ./t.
  ###
  ### Since most tests were successful, you have a good chance to
  ### get information with better granularity by running
  ### ./perl harness
  ### in directory ./t.
u=2.08333 s=1.31667 cu=103.217 cs=30.15 scripts=212 tests=10641

Site configuration information for perl 5.00560​:

Configured by rd at Sat Aug 7 11​:34​:02 EDT 1999.

Summary of my perl5 (revision 5.0 version 5 subversion 60) configuration​:
  Platform​:
  osname=bsdos, osvers=4.0, archname=i386-bsdos
  uname='bsdos tarpit.thrush.com 4.0 bsdi bsdos 4.0 kernel #2​: sun mar 21 03​:57​:22 est 1999 rd@​tarpit.thrush.com​:usrsrcsyscompilelocal i386 '
  config_args='-des'
  hint=recommended, useposix=true, d_sigaction=define
  usethreads=undef useperlio=undef d_sfio=undef
  use64bits=undef usemultiplicity=undef
  Compiler​:
  cc='cc', optimize='-O2', gccversion=2.7.2.1
  cppflags='-I/usr/local/include'
  ccflags ='-I/usr/local/include'
  stdchar='char', d_stdstdio=undef, usevfork=false
  intsize=4, longsize=4, ptrsize=4, doublesize=8
  d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
  alignbytes=4, usemymalloc=n, prototype=define
  Linker and Libraries​:
  ld='ld', ldflags =' -L/usr/X11/lib -L/usr/local/lib'
  libpth=/usr/local/lib /usr/shlib /shlib /usr/lib /usr/X11/lib
  libs=-ldl -lm -lc
  libc=/shlib/libc.so, so=so, useshrplib=true, libperl=libperl.so
  Dynamic Linking​:
  dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags=' '
  cccdlflags='-fPIC', lddlflags='-shared -x -L/usr/X11/lib -L/usr/local/lib'

Locally applied patches​:
 

@​INC for perl 5.00560​:
  lib
  /usr/local/lib/perl5/5.00560/i386-bsdos
  /usr/local/lib/perl5/5.00560
  /usr/local/lib/site_perl/5.00560/i386-bsdos
  /usr/local/lib/site_perl
  .

Environment for perl 5.00560​:
  HOME=/home/rd
  LANG (unset)
  LANGUAGE (unset)
  LD_LIBRARY_PATH=/u2/u4/work/bsdi-4.0/perl5.005_60​:
  LOGDIR (unset)
  PATH=~/bin​:/usr/local/bin​:/usr/local/samba/bin​:/sbin​:/usr/sbin​:/bin​:/usr/bin​:/usr/contrib/bin​:/usr/X11/bin
  PERL_BADLANG (unset)
  SHELL=/bin/bash