RFR: Enable array access instrumentation for aarch64

[Jie He]

On Wed, 3 Jun 2020 23:04:40 GMT, Man Cao <manc at openjdk.org> wrote:

> We don't have a plan to port or enable tsan in C1 yet. The implementation is in JDK8 and has not been ported to JDK 11
> or tip. We are currently a bit understaffed on the TSAN project, so we cannot commit to get C1 support working.

Did you test the previous C1 with tsan enabled?  could it benefit race detection for real workload than interpreter
version? as we know, interpreter will report the race before C1 involved.

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PR: https://git.openjdk.java.net/tsan/pull/13