RFR: 8311646: ZGC: LIR_OpZStoreBarrier::_info shadows LIR_Op::_info

[Koichi Sakata]

On Mon, 10 Jul 2023 19:13:32 GMT, Chad Rakoczy <duke at openjdk.org> wrote:

> [JDK-8311646](https://bugs.openjdk.org/browse/JDK-8311646)
> 
> In LIR_OpZStoreBarrier, SonarCloud reports:
>  Field "_info" shadows a field of the same name in base class "LIR_Op".
> 
> Updates LIR_OpZStoreBarrier to use the superclass `_info` instead
> 
> Additional testing:
> - [x] Linux x86_64 fastdebug `tier2`
> - [x] Linux x86_64 release `tier2`
> - [x] Linux x86_64 fastdebug `test/hotspot/jtreg/gc/z`
> - [x] Linux x86_64 release `test/hotspot/jtreg/gc/z`
> - [x] Linux x86_64 fastdebug `gtest:all`
> - [x] Linux x86_64 release `gtest:all`

Marked as reviewed by ksakata (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/14816#pullrequestreview-1544693108
PR Comment: https://git.openjdk.org/jdk/pull/14816#issuecomment-1649173800