[11u] RFR: backport JDK-8247246: Add explicit ResolvedJavaType.link and expose, presence of default methods

[Foivos Zakkak]

Hi Severin,

Thanks for your review.
I am attaching a new patch without the copyright updates this time.

Regards,
Foivos

On 01/07/2020 19:27, Severin Gehwolf wrote:
> Hi Foivos,
>
> On Wed, 2020-07-01 at 15:12 +0300, Foivos Zakkak wrote:
>> Hello all,
>>
>> I am attaching a backport
>> https://bugs.openjdk.java.net/browse/JDK-8247246 to jdk11u-dev.
> For reference, this is the original change in JDK 15:
> https://hg.openjdk.java.net/jdk/jdk15/rev/b58fc6058055
>
>> This backport fixes https://github.com/oracle/graal/issues/2628
>>
>> The backport applied cleanly except for some minor issues which I
>> resolved by changing:
>>
>> JVMCI_THROW(NullPointerException);
>> to
>> THROW(vmSymbols::java_lang_NullPointerException());
>>
>> and
>>
>> Klass* klass = JVMCIENV->asKlass(jvmci_type);
>> to
>> Klass* klass = CompilerToVM::asKlass(jvmci_type);
>>
>>
>> The backport has been successfully tested using:
>>
>> make run-test TEST="hotspot/jtreg/compiler/jvmci"
>> make run-test-tier1
>>
>> I have also successfully built graal master against the patched JDK
> src/hotspot/share/jvmci/jvmciCompilerToVM.cpp
>
> The original change didn't include a copyright update. So should the
> backport.
>
> This actually applies to all files touched.
>
> Thanks,
> Severin
>
>> Thanks,
>> Foivos Zakkak
>>
>> PS: Pretty happy to submit my first contribution to OpenJDK
>>
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