File: symbol-table-bug

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perl 5.40.1-7
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#!/usr/bin/perl
#
# This code is used by lib/perl5db.t !!!
#

use strict;
no strict 'refs';
my %main = %{*{"main\::"}} ;
my @undef_symbols = grep { !defined $main{$_} } (keys %main);
print 'Undefined symbols ', scalar(@undef_symbols) . "\n";