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

Thu Feb 22 01:57:56 UTC 2024

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.

loongarch64 used a larger CodeCache, so `compiler/codecache/CodeCacheFullCountTest.java` exposed this issue under default parameters..

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PR Comment: https://git.openjdk.org/jdk/pull/17941#issuecomment-1958519885