RFR: 8294467: Fix sequence-point warnings in Hotspot [v2]

[Aleksey Shipilev]

On Mon, 17 Oct 2022 18:21:48 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> There seem to be the only place in Hotspot where this warning fires, yet the warning is disabled wholesale for Hotspot. This is not good.
>> 
>> I can trace the addition of sequence-point exclusion to [JDK-8211029](https://bugs.openjdk.org/browse/JDK-8211029) (Sep 2018), yet the only place where it triggers introduced by [JDK-8259609](https://bugs.openjdk.org/browse/JDK-8259609) (Oct 2021). It seems other places were fixed meanwhile.
>> 
>> I believe the fixed place is just a simple leftover. Right, @rwestrel?
>> 
>> Additional testing:
>>  - [x] Linux x86_64 fastdebug `tier1`
>>  - [x]  Linux x86_64 fastdebug `tier2`
>>  - [x] The build matrix of:
>>    - GCC 10
>>    - {i686, x86_64, aarch64, powerpc64le, s390x, armhf, riscv64}
>>    - {server}
>>    - {release, fastdebug}
>
> Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:
> 
>  - Merge branch 'master' into JDK-8294467-warning-sequence-point
>  - Fix

Thank you all!

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PR: https://git.openjdk.org/jdk/pull/10454