[PATCH] [aarch64] Fix handling of stubs to weak and section symbols

[Cary Coutant]

>> 2017-06-19  Eric Christopher  <echristo@gmail.com>
>>
>> * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
>> calculate the symbol value.
>> (scan_reloc_section_for_stubs): Allow stubs to be created for
>> section symbols.
>> (maybe_apply_stub): Handle creating stubs for weak symbols to
>> match the code in scan_reloc_for_stub.

> LGTM, thanks.

OK with me, too. Thanks!

-cary