[gold][powerpc] PR gold/20529 - relaxing loop never ends

[Han Shen]

Hi Cary, thanks for the review.

On Sat, Aug 27, 2016 at 9:23 PM, Cary Coutant <ccoutant@gmail.com> wrote:
>>     2016-08-26  Han Shen  <shenhan@google.com>
>>
>>         PR gold/20529 - relaxing loop never ends.
>>
>>         * powerpc.cc (Stub_table::min_size_threshold_): New member to
>>         limit size.
>>         (Stub_table::set_min_size_threshold): New member function.
>>         (Stub_table::set_address_and_size): Add code to only allow size
>>         increase.
>>         (Target_powerpc::do_relax): Add code to record last size.
>
> This is OK. Thanks!
>
> Do you think it's serious enough to warrant a backport to 2.27?

I would say yes - an endless linking time is quite disruptive for any
develop cycle, although chances are slim that someone hit the bug (I
continuously monitor 100k of ppc targets, and this is the only one
gets affected.)

>
> -cary

Han Shen