[code-reflection] RFR: Concat Transform Optimizations [v7]

[Paul Sandoz]

On Fri, 28 Jun 2024 20:41:56 GMT, Ian Graves <igraves at openjdk.org> wrote:

>> Updates to the transformation on Concats to StringBuilder that reduce redundant "new" StringBuilders while respecting correctness.
>
> Ian Graves has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Refactoring append

Marked as reviewed by psandoz (Lead).

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PR Review: https://git.openjdk.org/babylon/pull/149#pullrequestreview-2148946181