RFR: 8287908: Use non-cloning reflection methods where acceptable [v2]

[Roger Riggs]

On Thu, 8 Sep 2022 06:54:45 GMT, Сергей Цыпанов <duke at openjdk.org> wrote:

>> To ensure the shared types are not too easily exposed, move 317: to inside the `if (realParamData)`.
>> That's also the only scope in which it is used.
>
> But `nonGenericParamTypes` is used in `else` block as well, so should I call `getSharedParameterTypes()` twice?

My mistake, its ok as is.  tnx.

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PR: https://git.openjdk.org/jdk/pull/9064