RFR: JDK-8326376: java -version failed with CONF=fastdebug -XX:InitialCodeCacheSize=1024K -XX:ReservedCodeCacheSize=1200k

[Vladimir Kozlov]

On Wed, 21 Feb 2024 08:16:27 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> Please review this fix of a regression brought by https://bugs.openjdk.org/browse/JDK-8318444. Thanks to @sunny868 for reporting this.
> 
> We bail out during compiler initialization of C2. The thread's ciEnv does not have a CompileTask associated in that case, and that's why we are faulting.
> 
> I tested the patch on Linux x64 and confirmed the fix. I also tested with a compiler memory ceiling and the crash option (see https://bugs.openjdk.org/browse/JDK-8318016) and confirmed that the hs-err file contains valid compile ids when we have a valid compile task.

We need regression testing. May be add this case to `compiler//startup/StartupOutput.java`

Please update Copyright year (add 2024) in these files.

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

Changes requested by kvn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17941#pullrequestreview-1893788690