[13u] RFR: 8224851: AArch64: fix warnings and errors with Clang and GCC 8.3

[Yuri Nesterenko]

Great, let's take it!

--yan

On 28.05.2020 18:48, Sergey Nazarkin wrote:
> Yuri,
> 
> you are right, the failure is related to clang compiler (checks with clang 7.1.0).  The patch fixes it. 
> 
> 
> Sergey Nazarkin
> 
> 
> 
> 
>> On May 28, 2020, at 10:10, Yuri Nesterenko <yan at azul.com> wrote:
>>
>> Hi Sergey,
>>
>> looking at the original discussion one could see that there's a single warning related to GCC8.4:
>> everything else was clang issues.
>>
>> --yan
>>
>> On 27.05.2020 23:09, Sergey Nazarkin wrote:
>>> Original change:
>>> http://hg.openjdk.java.net/jdk/jdk/rev/e53ec3b362f4
>>> https://bugs.openjdk.java.net/browse/JDK-8224851
>>>
>>> Review for 11u:
>>> https://mail.openjdk.java.net/pipermail/jdk-updates-dev/2020-January/002432.html
>>>
>>>
>>> I personally have not found any build issue with GCC8.4 (cross tool from ubuntu 18.04). However the patch touches too many files that may introduce backport problem in the future. 
>>>
>>> It is not applied cleanly due to modifications caused by aarch64 simulator removal. Luckily only os_linux_aarch64.cpp is affected
>>>
>>> Webrev
>>> http://cr.openjdk.java.net/~snazarki/webrev/8224851/
>>>
>>>
>>>
>>> Sergey Nazarkin
>>>
>>>
>>>
>