Yet another proof:
BEGIN {
my ($add_ts) = @ARGV;
eval 'use subs qw( die )' if $add_ts;
}
sub die {
my $ts = '[' . localtime() . '] ';
my $msg = join '', @_;
$msg =~ s/^/$ts/mg;
CORE::die($msg);
}
die("foo\n");
>perl test.pl 1
[Sun Aug 23 11:52:55 2009] foo
>perl test.pl 0
foo
Execution is required to decide whether die is a subroutine call or an operator.
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