* t/parallel-tests-log-compiler-example.sh: unset PERL5OPT
since the test expects a warning.
END
# intentionally reversed += operator to provoke warning; thus,
-# explicitly use warnings so that PERL5OPT=-Mwarnings=FATAL,all
-# in the environment won't be a fatal error. See ../HACKING.
-echo 'use warnings; my $a =+ 2; exit (0);' > foo.pl
+# explicitly unset PERL5OPT so that PERL5OPT=-Mwarnings=FATAL,all
+# in the environment won't cause a fatal error. See ../HACKING.
+unset PERL5OPT
+echo 'my $a =+ 2; exit (0);' > foo.pl
echo 'import sys; sys.exit(0);' > bar.py
: > baz