RFR: 8338532: Speed up the ClassFile API MethodTypeDesc#ofDescriptor

[Shaojin Wen]

On Fri, 16 Aug 2024 18:17:15 GMT, Claes Redestad <redestad at openjdk.org> wrote:

>> MethodTypeDescFactories has some illegal MethodTypeDesc, and throwing exceptions will affect the performance comparison of normal scenarios.
>
> Not intentionally - which one is illegal? Or are you thinking about the dots? Those are replaced with the descriptorString of the benchmark class before execution. Just a trick to allow testing really long descriptor strings without making the parameter output humongous.

It was my problem. I didn't fully understand the code before and had a wrong view.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20611#discussion_r1720477864