[foreign-memaccess+abi] RFR: Investigate alternate strategy to acquire resource scopes [v3]

[Maurizio Cimadamore]

On Wed, 21 Apr 2021 17:41:28 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> Maurizio Cimadamore has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:
>> 
>>  - Merge branch 'foreign-memaccess+abi' into acquire_release_scope
>>  - Add reachability fence on ResourceScope::release
>>  - Initial push
>
> src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/ResourceScopeImpl.java line 131:
> 
>> 129:         try {
>> 130:             Objects.requireNonNull(handle);
>> 131:             if (!isImplicit() && handle.scope() != this) {
> 
> Is this check correct, since an implicit scope could accept a handle from a non-implicit scope?

yeah - something is off here

-------------

PR: https://git.openjdk.java.net/panama-foreign/pull/511