RFR: 8268698: Use Objects.check{Index, FromToIndex, FromIndexSize} where possible [v7]

[Paul Sandoz]

On Tue, 22 Jun 2021 02:58:28 GMT, Yi Yang <yyang at openjdk.org> wrote:

> I found that after solving the problem that Preconditions cannot be used during the VM startup, a series of functions such as String.checkIndex/checkOffset/.. can also be harmlessly replaced, but this changeset is somewhat large and may overwrite the previous review progress. If it will confuse the current review progress for reviewers involving in this PR, I'd like to file a new PR to do this change later.

Yes, I think that helps to review. It's often easier, review-wise, to have separate PRs for specific areas, rather than keep expanding an existing PR.

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PR: https://git.openjdk.java.net/jdk/pull/4507