RFR: 8305351: C2 setScopedValueCache intrinsic doesn't use access API

[Erik Österlund]

On Wed, 5 Apr 2023 09:01:56 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> The setScopedValueCache intrinsic for C2 doesn't use the access API. Instead, we store into an OopHandle with a raw store. That doesn't necessarily play well with all GCs, for example Shenandoah and generational ZGC. We should use the access API to ensure the right barriers are emitted.
>
> Marked as reviewed by aph (Reviewer).

Thanks for the reviews @theRealAph, @vnkozlov and @robcasloz!

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PR Comment: https://git.openjdk.org/jdk/pull/13324#issuecomment-1497184043