RFR: 8159: openUncompressedStream supports compressed inputs on all streams

[Alex Macdonald]

On Mon, 11 Dec 2023 21:50:16 GMT, Carter Kozak <duke at openjdk.org> wrote:

> Previously this function supported compressed inputs only when the provided stream supported mark/reset. By shifting the BufferedInputStream wrapper prior to compression checks, we can support consistent behavior regardless of the stream implementation.
> The new tests in this commit fail without the accompanying change to `IOToolkit.java`.
> 
> I'd be grateful if anyone could help create a jmc issue for this, I lack perms to create a ticket as described in the [contributing docs](https://github.com/openjdk/jmc/blob/master/CONTRIBUTING.md#pull-requests).

@carterkozak I've created an issue for this: https://bugs.openjdk.org/browse/JMC-8159

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PR Comment: https://git.openjdk.org/jmc/pull/539#issuecomment-1854157221