RFR: 8305937: com/sun/jdi/SetLocalWhileThreadInNative.java fails with -XX:+TieredCompilation

[Leonid Mesnik]

On Thu, 13 Apr 2023 14:49:58 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> Could you please review following trivial fix which correct jvm options order in TestScaffold.
> TestScaffold combines test optionos and jtreg vm options. Before [JDK-8304834](https://bugs.openjdk.org/browse/JDK-8304834) it passed test jvm args as part of targetAppCommandLine. So the test VM args are added to the jtreg vm options. But after JDK-8304834 it parse then into targetVMArgs. So test vm args should append to jtreg vm options to override them.
> 
> Testing: tier1-tier5 (including failing combination and testing with wrapper)
> I haven't added requires to filter out the test, because e filter only failing combination usually.

Not exactly, before fix the VM  arguments and testClass were split to 
`java` + "empty VMargs" +  `<test vm args> DebugeeClass`
and then VMargs were set to '<test vm args> ', that all these lines were concatenated back to 
java <jtreg VM args> <test vm args>  DebugeeClass 
so it worked in the end.

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PR Comment: https://git.openjdk.org/jdk/pull/13462#issuecomment-1514735349