RFR: 8273563: Improve performance of implicit exceptions with -XX:-OmitStackTraceInFastThrow [v6]

[Volker Simonis]

On Wed, 10 Nov 2021 17:06:06 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> Volker Simonis has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add new WhiteBox functionality to sun/hotspot/WhiteBox.java as well to avoid warnings in the tests which are still using it.
>
> test/hotspot/jtreg/compiler/exceptions/OptimizeImplicitExceptions.java line 78:
> 
>> 76:     private static final WhiteBox WB = WhiteBox.getWhiteBox();
>> 77:     // Until JDK-8275908 is not fixed, null-pointer traps for invokes and array-store traps are not profiled in the interpreter.
>> 78:     private static final boolean JDK8275908_fixed = false;
> 
> I don't know if that one should get fixed first, but I'm ok with your workaround. Would it make sense to add that bug id to this test's header?

This PR is now open for so long time and I'd like to complete it without the dependency on another fix. But adding the bug id to the test is a good idea. Done

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PR: https://git.openjdk.java.net/jdk/pull/5488