RFR: 8335480: Only deoptimize threads if needed when closing shared arena [v2]

[Jorn Vernee]

On Sat, 13 Jul 2024 15:28:57 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

> @dougxc might want to have a look at Graal support for this one.

Yes, I conservatively implemented `has_scoped_access()` for Graal (see `jvmciRuntime.cpp` changes). It won't regress anything, but there's still an opportunity for improvement.

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

PR Comment: https://git.openjdk.org/jdk/pull/20158#issuecomment-2226974681