[google/integration] Add placeholder -Wself-assign flag for compatibility with other branches

[Diego Novillo]

On Tue, May 24, 2011 at 11:59, Simon Baldwin <simonb@google.com> wrote:

> gcc/ChangeLog.google-integration:
> 2011-05-24  Simon Baldwin  <simonb@google.com>
>
>        * common.opt (-Wself-assign): New placeholder flag.

OK.


Diego.