RFR: 8334872: BigEndian: java/lang/invoke/condy Tests failing since JDK-8294960

[Richard Reingruber]

On Mon, 24 Jun 2024 22:11:55 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> After JDK-8294960 is java.lang.invoke.ClassSpecializer using lamdas for code generation and unfortunately it causes StackOverflow on BigEndian platforms.
>> 
>> This patch converts all lambdas in ClassSpecializer into anonymous inner classes.
>> 
>> Please review and test on a BigEndian platform.
>> 
>> Thanks,
>> Adam
>
> Hi Adam,
> 
> I've tested this change on a Linux PPC64 big endian system. Sadly I still get StackOverflowErrors.
> I've run only test/jdk/java/lang/invoke/condy/ConstantBootstrapsTest.java. I've experimented with `ThreadStackSize` and `VMThreadStackSize` without success.
> 
> When running the test standalone I get the following message:
> 
> 
> ./jdk/bin/java
> -cp testclasses:jtreg_latest/lib/testng-7.3.0.jar:jtreg_latest/lib/jcommander-1.82.jar
> -XX:+UnlockDiagnosticVMOptions
> -XX:UseBootstrapCallInfo=3
> -Xint
> org.testng.TestNG
> -testclass
> ConstantBootstrapsTest
> Error occurred during initialization of boot layer
> java.lang.StackOverflowError
> 
> 
> It's likely not a byte ordering problem since @offamitkumar cannot reproduce the failures on s390x.

> @reinrich Could you try running with `-XX:+UnlockDiagnosticVMOptions -XX:+ShowHiddenFrames` and share the full stacktrace again?

I've done that now. Please find it in the description/attachment of the [JBS-item](https://bugs.openjdk.org/browse/JDK-8334872).

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PR Comment: https://git.openjdk.org/jdk/pull/19863#issuecomment-2188155291