RFR (M) 8155739: [TESTBUG] VarHandles/Unsafe tests for weakCAS should allow spurious failures

[Vladimir Ivanov]

Looks good.

Best regards,
Vladimir Ivanov

On 4/30/16 1:12 AM, Aleksey Shipilev wrote:
> Hi,
>
> I would like to fix a simple testbug in our weakCompareAndSet VarHandles
> and Unsafe intrinsics tests. weakCompareAndSet is spec-ed to allow
> spurious failures, but current tests do not allow that. This blocks
> development and testing on non-x86 platforms.
>
> Bug:
>    https://bugs.openjdk.java.net/browse/JDK-8155739
>
> Webrevs:
>    http://cr.openjdk.java.net/~shade/8155739/webrev.hs.00/
>    http://cr.openjdk.java.net/~shade/8155739/webrev.jdk.00/
>
> The tests are auto-generated, and the substantiative changes are in
> *.template files. I also removed obsolete generate-unsafe-tests.sh. I
> would like to push through hs-comp to expose this to Power and AArch64
> folks early.
>
> Testing: x86_64, jdk:java/lang/invoke/VarHandle, hotspot:compiler/unsafe
>
> Thanks,
> -Aleksey
>