[foreign-memaccess+abi] RFR: Add support for high-level functions to copy to and from Java arrays [v4]

[Uwe Schindler]

On Tue, 22 Jun 2021 14:23:08 GMT, Uwe Schindler <uschindler at openjdk.org> wrote:

>> Maurizio Cimadamore has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix wrong polarity of readOnly in copyTo methods
>
> test/jdk/java/foreign/TestMemoryCopy.java line 119:
> 
>> 117:             arr[i] = (byte)i;
>> 118:         }
>> 119:         return MemorySegment.ofArray(arr);
> 
> This segment should be made readonly, to assert all checkAccess() calls.

Ok - you added this to slice, e.g. here. I have overseen this! https://github.com/openjdk/panama-foreign/pull/555/files#diff-cf69e75a9e792b2f93dec150609654fe2dc3b4f3b45a8fbdca1b5b450d52173bR82

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PR: https://git.openjdk.java.net/panama-foreign/pull/555