RFR: 8286312: Stop mixing signed and unsigned types in bit operations

[David Holmes]

On Fri, 6 May 2022 18:52:36 GMT, Leo Korinth <lkorinth at openjdk.org> wrote:

> uint32_t is a much more natural type for bitsIdx.

Seems fine and trivial.

Thanks,
David

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Marked as reviewed by dholmes (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/8581