RFR: 8287205: generate_cont_thaw generates dead code after jump to exception handler [v2]

[Richard Reingruber]

On Fri, 3 Jun 2022 07:57:22 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> This fix avoids generating unreachable instructions after the jump to the exception handler in `generate_cont_thaw()`
>> 
>> Testing:
>> 
>> jtreg:test/hotspot/jtreg:hotspot_loom
>> jtreg:test/jdk:jdk_loom
>> 
>> On linux x86_64 and aarch64.
>> 
>> On aarch64 the test `jdk/java/lang/management/ThreadMXBean/VirtualThreadDeadlocks.java` had a timeout. The aaarch64 machine I used is very slow. This might have caused the timeout.
>
> Richard Reingruber has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
> 
>  - Merge branch 'master' into 8287205_remove_dead_code_from_generate_cont_thaw
>  - Merge branch 'master' into 8287205_remove_dead_code_from_generate_cont_thaw
>  - Remove dead code from generate_cont_thaw

Sure. Thanks!

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PR: https://git.openjdk.java.net/jdk/pull/8863