RFR: 8286669: Replace MethodHandle specialization with ASM in mainline

[Remi Forax]

Ok,
let us know when it's out of draft,
i've several minor modifications about the code.

regards,
Rémi

----- Original Message -----
> From: "Jorn Vernee" <jvernee at openjdk.java.net>
> To: "core-libs-dev" <core-libs-dev at openjdk.java.net>, "hotspot-dev" <hotspot-dev at openjdk.java.net>
> Sent: Thursday, May 12, 2022 11:25:52 PM
> Subject: Re: RFR: 8286669: Replace MethodHandle specialization with ASM in mainline

> On Thu, 12 May 2022 17:17:37 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:
> 
>> Hi,
>> 
>> This PR brings over commits from the panama-foreign repo. These commits mostly
>> pertain to the switch to ASM and away from MethodHandle combinators for the
>> binding recipe specialization. But, there is one more commit which adds freeing
>> of downcall stubs, since those changes were mostly Java as well.
>> 
>> Thanks,
>> Jorn
> 
> Hmm, looks like there's an unexpected a tier1 failure on SysV in the GHA (I only
> tested Windows locally, since these changes have been live in the panama repo
> for a while now...). Will convert back to draft and see what's up.
> 
> -------------
> 
> PR: https://git.openjdk.java.net/jdk/pull/8685