[rfc][gold plugin] Fix pr19901

[Rafael Espíndola]

On 12 August 2014 17:21, Robinson, Paul
<Paul_Robinson at playstation.sony.com> wrote:
> Hope I'm not digressing too much (let me know) but...
>
>> I'm very sympathetic to the idea of not fixing libLTO and letting it rot
>> (oops, I meant to say letting Apple maintain it for ld64), though not doing
>> that would make ultimately make libLTO stronger. I'm calling this out as a
>> deliberate choice we have to make, we can either push libLTO to being well
>> enough designed to handle linkers with very different plugin ideologies (and
>> thus useful for others), or we can consign it to being an ld64 feature. If
>> gold can't use libLTO because its interface is too limiting, it's likely lld
>> won't either, that any third party linkers won't, etc.
>
> Uh... what?  We're actively pursuing LTO with our own linker, using (pretty
> sure) libLTO.

so, lib/LTO or tools/lto?

tools/lto is effectively the ld64 interface now. It works and it is
pretty stable, but don't expect many new features in that.

What lib/LTO will be in the future is somewhat fuzzy (see my previous
email on the thread).

> Or has my irony/dry-wit filter failed again...
> --paulr
>

Cheers,
Rafael