On Thu, 27 Aug 2026 22:50:13 GMT, Coleen Phillimore <[email protected]> wrote:

>> Remove the upcall to addClass during class loading.  The comment says it's 
>> only so GC can keep classes alive while the class loader is alive.  We have 
>> other ways to do that. There were some JVMTI tests in the past that failed 
>> without this vector but today seems to be only one test.  Maybe there's some 
>> code that has a dependency on this in heap walking.
>> Tested tier1-6
>> 
>> ---------
>> - [x] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Coleen Phillimore has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   Fix copyrights.

src/hotspot/share/classfile/loaderConstraints.cpp line 455:

> 453:   if (p != nullptr && p->klass() != nullptr && p->klass() == klass) {
> 454:     // If this is the klass in the constraint, remove it.
> 455:     // Other errors during loading (eg. constraint violations) should 
> not have added this klass.

"added this class" to what? Maybe just delete the comments altogether.

test/hotspot/jtreg/vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects002/referringObjects002.java
 line 131:

> 129:         // +1 referrer is classloader
> 130:         // +1 referrer is debugee class unloader
> 131:         // +1 self-reference from this_class index

Are you sure that is the right comment to delete?

test/hotspot/jtreg/vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects002/referringObjects002.java
 line 146:

> 144:         // 1 referrer is classloader
> 145:         // 1 referrer is debugee class unloader
> 146:         // 1 self-reference from this_class index

Again why delete this comment?

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

PR Review Comment: https://git.openjdk.org/jdk/pull/32519#discussion_r3877399400
PR Review Comment: https://git.openjdk.org/jdk/pull/32519#discussion_r3877411101
PR Review Comment: https://git.openjdk.org/jdk/pull/32519#discussion_r3877429795

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