RFR: 8264805: Remove the experimental Ahead-of-Time Compiler [v4]

[Ioi Lam]

On Fri, 9 Apr 2021 16:54:51 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> Vladimir Kozlov has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove exports from Graal module to jdk.aot
>
> LGTM. Just a small nit.

> @iklam
> I thought the fingerprint code was also used by CDS.

CDS actually uses a different mechanism (CRC of the classfile bytes) to validate that a class has not changed between archive dumping time and runtime. See

https://github.com/openjdk/jdk/blob/5784f6b7f74d0b8081ac107fea172539d57d6020/src/hotspot/share/classfile/systemDictionaryShared.cpp#L1126-L1130

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PR: https://git.openjdk.java.net/jdk/pull/3398