Re: [Google 4.7 Pubnames] Use comp_unit_die offset when no skeleton die exists. (issue6501109)

[Cary Coutant]

> 2012-09-07  Sterling Augustine  <saugust...@google.com>
>
>         * gcc/dwarf2out.c (output_pubnames): Call comp_unit_die.

OK for google/gcc-4_7.

-cary