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

[Roberto Castañeda Lozano]

On Tue, 4 Apr 2023 12:40:14 GMT, Erik Österlund <eosterlund 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.

Looks good.

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Marked as reviewed by rcastanedalo (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/13324#pullrequestreview-1371552209