RFR (S) 8213721 : [Graal] Tests vmTestbase/nsk/stress/except/except* may be encountering SEGV during out-of-memory conditions

[JC Beyler]

Hi all,

Could I get a review for this small change for the except* tests:

Webrev: http://cr.openjdk.java.net/~jcbeyler/8213721/webrev.00/
Bug: https://bugs.openjdk.java.net/browse/JDK-8213721

The bug contains a good explanation of why this is required.

After the webrev, the tests no longer fail due to a SIGSEV with the flags:

-XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:+UseJVMCICompiler
-XX:+TraceExceptions -Dgraal.PrintCompilation=true -XX:+PrintCompilation
-XX:+TraceDeoptimization

 (except010.java failed due to a timeout and except004.java failed due to
an OOME from a Graal thread).

Thanks,
Jc
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