[jdk21u-dev] RFR: 8309203: C2: remove copy-by-value of GrowableArray for InterfaceSet

[Roland Westrelin]

On Wed, 13 Dec 2023 10:52:49 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Transplanted from https://github.com/openjdk/jdk21u/pull/423
> 
> Clean backport to amend JDK 21 change, dodge the potential copy-by-value issues, and sync up codebases.
> 
> Maybe @rwestrel would bless it.
> 
> Additional testing:
>  - [x] MacOS AArch64 server fastdebug, `hotspot:tier1`
>  - [x] Linux x86_64 server fastdebug `tier{1,2,3}`
>  - [x] Linux AArch64 server fastdebug `tier{1,2,3}`

@shipilev not sure what kind of blessing you'd like. No need to review the code if the backport is clean, right? Or are you asking if I support the idea of doing the backport? I think it's reasonable in part because it could make other backports easier going forward.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/11#issuecomment-1853829882