RFR: JDK-8318119: Invalid narrow Klass base on aarch64 post 8312018

[Andrew Haley]

On Fri, 3 Nov 2023 15:08:12 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> src/hotspot/share/oops/compressedKlass.cpp line 105:
>> 
>>> 103:   //  the range starts at the specified encoding base and its size will not be
>>> 104:   //  larger than 4GB).
>>> 105:   return is_aligned(p, 4 * G);
>> 
>> Does this mean that the class metadata might be late than 4 Gbyte?
>
> Sorry, I don't understand this question.

Argh, typo. Does this mean that the class metadata might be more than 4G in size? Is that the risk?

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PR Review Comment: https://git.openjdk.org/jdk/pull/16215#discussion_r1381949326