RFR: 8338936: StringConcatFactory optimize the construction of MethodType and MethodTypeDesc [v2]

[Chen Liang]

On Sun, 25 Aug 2024 21:40:14 GMT, Shaojin Wen <duke at openjdk.org> wrote:

>> optimize the construction of MethodType and MethodTypeDesc to reduce memory allocate
>
> Shaojin Wen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   use MethodTypeDescImpl.ofValidated

Marked as reviewed by liach (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/20704#pullrequestreview-2259381318