[RFR]: Add test which does synchronization in native land

[Jean Christophe Beyler]

LGTM

On Tue, Apr 23, 2019 at 9:59 AM Arthur Eubanks <aeubanks at google.com> wrote:

> http://cr.openjdk.java.net/~aeubanks/tsannativesync/webrev.00/index.html
>


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Thanks,
Jc