Withdrawn: 8339704: Refactor StringConcatHelper simpleConcat

[duke]

On Tue, 27 Aug 2024 10:09:09 GMT, Shaojin Wen <swen at openjdk.org> wrote:

> The string concatenation of the java.base module is implemented using StringBuilder. By providing a series of concat methods in StringConcatHelper, it is used in the java.lang package to replace string concatenation.
> 
> These concat methods can also be exposed through JLA for use by other packages, such as java.lang.constant.
> 
> These concat methods can replace Concat1 and become part of StringConcatFactory#simpleConcat

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/20726