RFR: 8338543: ClassBuilder withMethod builders should cache the method type symbol

[Chen Liang]

On Mon, 19 Aug 2024 15:08:05 GMT, Chen Liang <liach at openjdk.org> wrote:

> In #20611 and other investigations, we noted that `MethodTypeDesc.ofDescriptor` is unnecessarily called due to missing caching in ClassBuilder. This patch adds that missing caching functionality.

Thanks for the review. Integrating to facilitate other startup optimization patches dependent on changes here.

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PR Comment: https://git.openjdk.org/jdk/pull/20627#issuecomment-2298011578