RFR: 8376751: add preview project anchors to main-line ProblemList files

[Daniel D. Daugherty]

On Fri, 30 Jan 2026 21:40:15 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> A trivial fix to add preview project anchors to main-line ProblemList files.
>> 
>> Also backports changes from the Valhalla repo to make/RunTests.gmk
>> to support ProblemList-coh.txt files. This PR also includes the new
>> ProblemList-coh.txt file, but it contains no entries (yet). Since this is
>> NOT a complete backport of the changes for:
>> 
>> - [JDK-8375337](https://bugs.openjdk.org/browse/JDK-8375337) [lworld] ProblemList misc svc tests that fail due to JDK-8375332
>> 
>> I'm not handling it as a backport issue.
>> 
>> I've also added missing Copyright headers to some files.
>
> Marked as reviewed by kvn (Reviewer).

@vnkozlov, @liach, and @RogerRiggs - Thanks for the reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/29509#issuecomment-3826088183