[Rev 01] RFR: Add a limition to allocate object heap in aarch64 with tsan enabled.

[Jie He]

On Fri, 24 Apr 2020 04:46:47 GMT, Man Cao <manc at openjdk.org> wrote:

>> Jie He has refreshed the contents of this pull request, and previous commits have been removed. The incremental views
>> will show differences compared to the previous content of the PR.
>
> Changes requested by manc (Reviewer).

RFR, thanks.

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PR: https://git.openjdk.java.net/tsan/pull/6