[PATCH][BZ #19490] Add unwind descriptors for x86_64 _mcount and __fentry__

[Paul Pluzhnikov]

On Thu, Mar 3, 2016 at 9:41 AM, H.J. Lu <hjl.tools@gmail.com> wrote:

> Please update _mcount.S with your comments above.  OK with
> that change.

Done and committed.

Thanks!
-- 
Paul Pluzhnikov