RFR: 8336856: Optimize String Concat [v41]

[Claes Redestad]

On Mon, 12 Aug 2024 16:16:10 GMT, Shaojin Wen <duke at openjdk.org> wrote:

>> This PR implements the same algorithm as the current generateMHInlineCopy based on bytecode to improve startup performance.
>
> Shaojin Wen has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - fix comments
>  - remove unused code

Marked as reviewed by redestad (Reviewer).

I suggest renaming this RFE to something like "Implement efficient hidden class strategy for String concatenation"

I'll approve in a second, but will first mark this as needing an additional Reviewer since part of the code here is mine and I can't be the Reviewer of my own code. 😄

-------------

PR Review: https://git.openjdk.org/jdk/pull/20273#pullrequestreview-2233668699
PR Comment: https://git.openjdk.org/jdk/pull/20273#issuecomment-2284571671