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

[Sergey Nazarkin]

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
>> 
>> 
>>