RFR: 8255128: linux x86 build failure with libJNIPoint.c

[Coleen Phillimore]

On Tue, 3 Nov 2020 17:40:38 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Add 32-bit-safe version of jlong <-> casts to libJNIPoint.c
>> 
>> This removes the reported warning.
>> 
>> Note that the _LP64 macro was not being propagated to the benchmark native libraries on Windows. The comment says that this is due to pack200, but since this has been removed [1], it seemed safe to propagate the macro now (backed up by testing).
>> 
>> CC'ing hotspot-runtime since I know some people there were looking forward to having this fixed.
>> 
>> Testing: tier1-3
>> 
>> [1] https://bugs.openjdk.java.net/browse/JDK-8232022
>
> Marked as reviewed by coleenp (Reviewer).

I was anxious for this to compile so I reviewed it. Thanks!

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PR: https://git.openjdk.java.net/jdk/pull/1017