RFR: Classfile signature bang support [v2]

[Chen Liang]

On Tue, 20 Jan 2026 19:17:48 GMT, Vicente Romero <vromero at openjdk.org> wrote:

>> Chen Liang 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 three additional commits since the last revision:
>> 
>>  - Review, various cleanup
>>  - Merge branch 'bworld' of https://github.com/openjdk/valhalla into feature/cf-bang-sig
>>  - Classfile signature bang support
>
> src/java.base/share/classes/java/lang/classfile/Signature.java line 277:
> 
>> 275:         @Override
>> 276:         default ClassTypeSig nullUnmarked() {
>> 277:             return nullMarker(NullMarker.UNMARKED);
> 
> question: why not using the same terminology as used in javac:
> 
> CHECKED == NOT_NULL
> UNMARKED == UNSPECIFIED?

Done.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1933#discussion_r2710177032