[jdk17u-dev] RFR: 8357822: C2: Multiple string optimization tests are no longer testing string concatenation optimizations [v2]

[duke]

On Wed, 5 Nov 2025 18:56:05 GMT, Roland Mesde <duke at openjdk.org> wrote:

>> Backporting JDK-8357822: C2: Multiple string optimization tests are no longer testing string concatenation optimizations. Adds several tests for string concatenation optimization in C2. Ran GHA Sanity Checks (passed) and adjusted tests (passed). Patch is clean.
>
> Roland Mesde has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'openjdk:master' into JDK-8357822-no-longer-testing-string-concatenation
>  - Backport 6c616c71ec9a8ee6e0203921deef20d09db39698

@rm-gh-8 
Your change (at version afcf43c296a0efb1af23417841069d5fb4eb037a) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/4130#issuecomment-3498326458