RFR: 8265480: add basic JVMCI support for JEP 309: Dynamic Class-File Constants [v2]

[Doug Simon]

On Wed, 21 Apr 2021 20:16:58 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> Doug Simon has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fixed date in copyright headers
>
> src/hotspot/share/jvmci/jvmciCompilerToVM.cpp line 659:
> 
>> 657:       }
>> 658: 
>> 659:       JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(bt2), raw_value, JVMCI_CHECK_NULL);
> 
> Given the above switch is total this part is unreachable? Did you mean for it to occur after the `if (!is_reference_type(bt)) ` block?

No - it should not be there at all: https://github.com/openjdk/jdk/pull/3578/commits/b70c7b1a64d51fce23edde860f04749e8e49d34f
Thanks for spotting.

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PR: https://git.openjdk.java.net/jdk/pull/3578