+
+ eval { $ipc->test_die(['arrayref']) };
+ $exp = $@;
+ $ret = eval { $ipc->ipc_do('test_die', ['arrayref']) };
+ $err = $@;
+ is_deeply($err, $exp, 'die with unblessed ref');
+ is(ref($err), 'ARRAY', 'got an array ref');
+
+ $exp = bless ['blessed'], 'PublicInbox::WTF';
+ $ret = eval { $ipc->ipc_do('test_die', $exp) };
+ $err = $@;
+ is_deeply($err, $exp, 'die with blessed ref');
+ is(ref($err), 'PublicInbox::WTF', 'got blessed ref');