RFR: 8286829: Shenandoah: fix Shenandoah Loom support [v3]

[Aleksey Shipilev]

On Mon, 30 May 2022 07:08:45 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Zhengyu Gu has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Fix
>>  - NMethod::heal_nmethod() does not need to handle ref-update
>
> src/hotspot/share/gc/shenandoah/shenandoahMark.inline.hpp line 73:
> 
>> 71:     if (obj->is_instance()) {
>> 72:       // Case 1: Normal oop, process as usual.
>> 73:       if (ContinuationGCSupport::relativize_stack_chunk(obj)) {
> 
> Ooof, this is very hot code path. Is there any way to do this without injecting the code here?

Um, this conversation seems to be "resolved" without the answer.

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PR: https://git.openjdk.java.net/jdk/pull/8924