RFR: 8263971: C2 crashes with SIGFPE with -XX:+StressGCM and -XX:+StressIGVN [v2]

[Roland Westrelin]

On Thu, 25 Mar 2021 12:15:29 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> test/hotspot/jtreg/compiler/loopopts/TestLostDependencyOnZeroTripGuard.java line 29:
>> 
>>> 27:  * @summary C2 crashes with SIGFPE with -XX:+StressGCM and -XX:+StressIGVN
>>> 28:  *
>>> 29:  * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=TestLostDependencyOnZeroTripGuard -XX:+StressGCM -XX:StressSeed=886771365 TestLostDependencyOnZeroTripGuard
>> 
>> `-XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions` should be added for the test, right?
>
> `-XX:+UnlockDiagnosticVMOptions` should be enough.

Thanks for looking at this

> `-XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions` should be added for the test, right?

I added -XX:+UnlockDiagnosticVMOptions so the test can be run with a release build.

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PR: https://git.openjdk.java.net/jdk/pull/3190