RFR: 8253525: Implement getInstanceSize/sizeOf intrinsics [v3]

[Aleksey Shipilev]

On Tue, 20 Oct 2020 18:12:06 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> It was mistake in 8253191 (I file bug). If you modify existing file (even if you keep only test name the same) you have to preserve original Copyright and add new Copyright line. You don't need create new file.
>> We have a lot of cases with 2 or more Copyright lines - it is normal:
>> https://github.com/openjdk/jdk/blob/master/test/hotspot/jtreg/compiler/vectorization/TestVectorsNotSavedAtSafepoint.java
>
> I file 8255067 to restore Copyright line in TestUnsignedByteCompare.java test file.

I made sure the new test is in the new file.

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PR: https://git.openjdk.java.net/jdk/pull/650