RFR: 8341199: Use ClassFile's new API loadConstant(int)

[Chen Liang]

On Mon, 30 Sep 2024 12:38:47 GMT, Shaojin Wen <swen at openjdk.org> wrote:

>> The new API loadConstant(int) can shorten the calling path and can replace ldc when the parameter is of int/Integer type.
>
> I think loadConstant should be renamed to ldc

@wenshao You can integrate this patch early even though it's much less than 24 hours. I have another patch that removes `ldc(ConstantDesc)`. It depends on your patch being integrated first.

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PR Comment: https://git.openjdk.org/jdk/pull/21259#issuecomment-2383313803