RFR: 8362306: HotSpotJVMCIRuntime.getMirror can crash [v2]

[Doug Simon]

On Wed, 16 Jul 2025 10:25:24 GMT, Gilles Duboscq <gdub at openjdk.org> wrote:

>> Doug Simon has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
>> 
>>   fixed bug in HotSpotJVMCIRuntime.getMirror for <clinit> and injected fields
>
> src/hotspot/share/jvmci/jvmciCompilerToVM.cpp line 3000:
> 
>> 2998: }
>> 2999: 
>> 3000: C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, ARGUMENT_PAIR(klass), jint index))
> 
> There is the same pattern in `getEncodedFieldAnnotationData`, we should probably defend there as well.

Good point: c2c41aa20ef214c5f63942cc5e257dfaaafb13ea

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PR Review Comment: https://git.openjdk.org/jdk/pull/26346#discussion_r2210397327