Conflicts exist if move to jdk14

[Arthur Eubanks]

If there are failing tests, we can deal with rebasing later. Applying
patches on top of jdk/tsan should be fine.

On Fri, Mar 27, 2020 at 1:29 AM Jie He <Jie.He at arm.com> wrote:

> Hi
>
> I had a quick try to rebase jdk/tsan to jdk14-ga, and found 2 major
> conflicts:
> 1, Shenandoah gc had a refactor last year, which implements a concurrent
> evacuation, seems it impacts current tsan oop map.
> 2, they limited non-gc to access the reserved region in gc, adding the
> function back to collectedHeap is a workround.
>
> In addition, a known build error exists in AARCH64 when building openjdk
> release version with clang 8. changing the -O3 to -Os or -O0 will be ok.
>
> An initial test shows 77 passed of total 79 tsan cases. The failed cases
> are NonRacyFinalizerLoopTest.java and
> tsan/NonRacyGarbageCollectionLoopTest.java.
>
> Thanks
> Jie He
>