r242293 - Set comdat when an available_externally thunk is converted to linkonce_odr.

[Hans Wennborg]

On Wed, Jul 15, 2015 at 2:16 PM, John McCall <rjmccall at apple.com> wrote:
>> On Jul 15, 2015, at 1:37 PM, Richard Smith <richard at metafoo.co.uk> wrote:
>> Looks good to me, but John's the code owner for IR generation so I'd like his signoff.
>
> LGTM.

Merged in r242333.

Thanks,
Hans