RFR: 8299684: (bf) JNI direct buffer functions with large capacity behave unexpectedly [v14]

[David Holmes]

On Wed, 18 Jan 2023 16:54:45 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> test/jdk/java/nio/jni/libNewDirectByteBuffer.c line 49:
>> 
>>> 47:     (JNIEnv *env, jclass cls, jobject buf)
>>> 48: {
>>> 49:     return (jlong)(*env)->GetDirectBufferAddress(env, buf);
>> 
>> The cast to jlong should be okay for 64-bit. For 32-bit then it will likely need a double cast, as in ((jlong)(int)( .. )) but maybe okay for now as you've restricted the test to 64-bit.
>
> Leaving it as-is for now.

FTR this was the wrong choice as the test is still built on 32-bit (and fails to compile).

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PR: https://git.openjdk.org/jdk/pull/11873