first cut at getting lto to compile.

[Kenneth Zadeck]

Andrew Pinski wrote:
> On 6/22/07, Kenneth Zadeck <zadeck@naturalbridge.com> wrote:
>> * lto/lto-tree.h (lang_decl, lang_type, language_function): Added
>> dummy since ggc does not like empty structs.
>
> Also note that empty structs are a GCC extension to C90 and C99
> (though not to C++).
>
> Thanks,
> Andrew Pinski
I assume that these are place holders for some code that mark plans to
add in the future.  I was just trying to make the trains run on time.

kenny