[gold/dwp patch] Fix internal error when adding a duplicate CU

[Ian Lance Taylor]

On Fri, Dec 14, 2012 at 3:06 PM, Cary Coutant <ccoutant@google.com> wrote:
>
>     gold/
>         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
>         (Dwp_output_file::Dwp_index::enter_set): Add assert.

This is OK.

Thanks.

Ian