nothingmuch: this tests failed with perl5.10
--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Exception;
+use Moose::Meta::Class;
+use Moose::Util;
+
+use lib 't/lib', 'lib';
+
+plan tests => 1;
+
+my $builder_meta = Moose::Meta::Class->create(
+ 'YATTA' => (
+ superclass => 'Moose::Meta::Class',
+ roles => [ qw( Role::Interface Role::Child ) ],
+ )
+);
+
+ok 1;
+
--- /dev/null
+package Role::Child;
+use Moose::Role;
+
+with 'Role::Parent' => { alias => { meth1 => '_aliased', } };
+
+sub meth1 { }
+
+1;
--- /dev/null
+package Role::Interface;
+use Moose::Role;
+
+requires "meth2";
+
+1;
--- /dev/null
+package Role::Parent;
+use Moose::Role;
+
+sub meth2 { }
+sub meth1 { }
+
+1;