RFR: 7903659 Verify Problemlist contents [v9]

[Jonathan Gibbons]

On Thu, 28 Mar 2024 09:21:56 GMT, Ludvig Janiuk <lujaniuk at openjdk.org> wrote:

>> This change introduces the flag `--verify-exclude` (short form `-i`) which will run additional checks on the problemlists passes through `-exclude`. If any of the checks fails, jtreg prints a helpful message and refuses to start running tests.
>
> Ludvig Janiuk has updated the pull request incrementally with one additional commit since the last revision:
> 
>   wording and indentation

Marked as reviewed by jjg (Lead).

-------------

PR Review: https://git.openjdk.org/jtreg/pull/181#pullrequestreview-1966770817