use strict; use Test::More tests => 1; use XS::APItest; use Hash::Util 'lock_value'; use warnings; no warnings 'once', 'Hash::Util'; my %h; $h{g} = *foo; lock_value %h, 'g'; ok(!SvIsCOW($h{g}), 'SvIsCOW is honest when it comes to globs');