[13] RFR (S): 8218758: [TESTBUG] compiler/cha/StrengthReduceInterfaceCall.java misses recompilation event

[Igor Ignatyev]

Hi Vladimir,

looks good to me.

Thanks,
-- Igor

> On Feb 12, 2019, at 2:07 PM, Vladimir Ivanov <vladimir.x.ivanov at oracle.com> wrote:
> 
> http://cr.openjdk.java.net/~vlivanov/8218758/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8218758
> 
> The test checks that nmethod has been invalidated by ensuring there's no nmethod installed at the moment. But it's not robust enough: it is possible that JVM initiates compilation before the check happens.
> 
> The fix is to harden the logic to additionaly check that if there's nmethod installed it differs from the one observed earlier.
> 
> Testing: hs-precheckin-comp, tier1-5
> 
> Best regards,
> Vladimir Ivanov