It has been broken on 5.6.1 and earlier for quite some time now, and it isn't
clear why. If anyone wants 5.6.2 support back, patches are welcome.
# _p : precision
$VERSION = '1.61';
-require 5.006;
+require 5.006002;
require Exporter;
@ISA = qw/Math::BigInt/;
# underlying lib might change the reference!
my $class = "Math::BigInt";
-use 5.006;
+use 5.006002;
$VERSION = '1.92';
package Math::BigInt::Calc;
-use 5.006;
+use 5.006002;
use strict;
# use warnings; # dont use warnings for older Perls