[jdk21u-dev] RFR: 8358751: C2: Recursive inlining check for compiled lambda forms is broken

[Roman Marchenko]

On Fri, 17 Oct 2025 06:55:01 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

>> This is backport of JDK-8358751, as it's reported jdk21 is affected.
>> 
>> Clean backport. Tier1 is OK.
>> 
>> The reproducer crashes before the fix, and OK after the fix.
>
> Hi @wkia 
> this fix is brand new and in a central component. 
> I would prefer to delay this to the next release of 21.
> Do you know which change caused this issue?
> Could you please link it to the JBS issue?
> Thanks.

@GoeLin Probably it's caused by "8011138: C2: stack overflow in compiler thread because of recursive inlining of lambda form methods". 
This issue is mentioned in JDK-8358751's comments, but I don't know why it's not linked.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/2294#issuecomment-3414539509