[vector] Intermittent failures in Long256VectorTests

[Vladimir Ivanov]

Thanks for the info, Jp!

Best regards,
Vladimir Ivanov

On 05/06/2018 17:35, Halimi, Jean-Philippe wrote:
> It is a known bug, yes. We have not yet investigated this particular one. It was introduced by a new generator that tests corner case values. A follow-up patch adding support for shift operations will also highlight two crashes for Long256VectorTests.
> 
> We plan to start working on the issues as soon as the test coverage is fully done, which should be EOW.
> 
> Thanks,
> 
> Jp
> 
> -----Original Message-----
> From: panama-dev [mailto:panama-dev-bounces at openjdk.java.net] On Behalf Of Vladimir Ivanov
> Sent: Tuesday, June 5, 2018 7:32 AM
> To: panama-dev at openjdk.java.net
> Subject: [vector] Intermittent failures in Long256VectorTests
> 
> Hi,
> 
> I see intermittent failures in Long256VectorTests with the latest build:
> 
> test Long256VectorTests.mulLong256VectorTests(long[i * 5],
> long[cornerCaseValue(i)]): failure
> java.lang.AssertionError: at index #3, input1 = 15, input2 =
> 9223372036854775807 expected [9223372036854775793] but found [-9223371972430266383]
> 
> test Long256VectorTests.mulLong256VectorTests(long[i * 5], long[cornerCaseValue(i)], mask[i % 2]): failure
> java.lang.AssertionError: at index #10, input1 = 50, input2 = 9223372036854775807, mask = true expected [-50] but found [42949672910]
> 
> test Long256VectorTests.mulLong256VectorTests(long[i * 5], long[cornerCaseValue(i)], mask[true]): failure
> java.lang.AssertionError: at index #3, input1 = 15, input2 = 9223372036854775807, mask = true expected [9223372036854775793] but found [-9223371972430266383]
> 
> ===============================================
> jdk/incubator/vector/Long256VectorTests.java
> Total tests run: 272, Failures: 3, Skips: 0 ===============================================
> 
> Is it a known bug?
> 
> Best regards,
> Vladimir Ivanov
>