RFR: 8374698: Stub names should look more like identifiers [v2]

[Andrew Dinn]

On Wed, 7 Jan 2026 12:25:38 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Noticed this when looking at disassembly. Cosmetic issue in [JDK-8360707](https://bugs.openjdk.org/browse/JDK-8360707) makes the stub identifiers look fairly weird:
>> 
>> 
>> 0x0000786da3c1a6f2: call Stub::Stub Generator lookup_secondary_supers_table_slow_path_stub
>>     ; {runtime_call Stub::Stub Generator lookup_secondary_supers_table_slow_path_stub}
>> 
>> 
>> Notice "Stub Generator" in the middle of the stub identifier.
>> 
>> After the fix:
>> 
>> 
>> 0x00007f357bc1a3f2:   call   Stub::lookup_secondary_supers_table_slow_path_stub (stub gen)
>>      ; {runtime_call Stub::lookup_secondary_supers_table_slow_path_stub (stub gen)}
>
> Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Of course there are asserts that verify stub names directly

This is a much more coherent format for the names so thumbs up.

I believe there are a few tests that explicitly check stub names and I cannot recall for sure whether they are all in tier1. Have you tried running the non-tier1 runtime tests? Might well be worth doing before committing.

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Marked as reviewed by adinn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/29080#pullrequestreview-3639092283