[lworld] RFR: 8286491: Withdraw ValueObject and IdentityObject and introduce value and identity class modifiers [v10]

[David Simms]

On Mon, 16 May 2022 08:32:38 GMT, Srikanth Adayapalam <sadayapalam at openjdk.org> wrote:

>> Changes to javac, hotspot runtime, core libs and asmtools sources and tests
>
> Srikanth Adayapalam has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 11 additional commits since the last revision:
> 
>  - Merge branch 'lworld' into JDK-8286491
>  - Fix langtools tier1 test failure: tools/javac/platform/createsymbols/CreateSymbolsTest.java
>  - Fix failure in tier1 langtools test: tools/javac/processing/model/completionfailure/NoAbortForBadClassFile.java
>  - Fix typo spotted in code review
>  - Fix tier1 langtools test failure: tools/javac/diags/CheckExamples.java
>  - Fix failing tier1 langtools test: tools/javac/SynchronizedClass.java
>  - Fix failing tier1 langtools test tools/javac/ClassFileModifiers/ClassModifiers.java
>  - Fix failing tier1 langtools test: tools/javap/TestSuperclass.java
>  - Fix tier1 failures in test/langtools/tools/javac/classfiles/attributes/innerclasses
>  - Fix failing tier3 test java/lang/instrument/IsModifiableClassAgent.java
>  - ... and 1 more: https://git.openjdk.java.net/valhalla/compare/1f2966d8...fdc376eb

Patch to remove IdentityObject references from micros (yet to complete testing, compiles for now)...

[remove_idobject_benchmark.zip](https://github.com/openjdk/valhalla/files/8699107/remove_idobject_benchmark.zip)

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PR: https://git.openjdk.java.net/valhalla/pull/688