RFR: JDK-8272574: Crashes in PhaseIdealLoop::build_loop_late_post_work [v2]

[王超]

On Wed, 18 Aug 2021 07:39:29 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

>> 王超 has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix version
>
> test/hotspot/jtreg/compiler/loopstripmining/LoadSplitThruPhi.java line 72:
> 
>> 70: 
>> 71:         for (int i = 0; i < 100; ++i) {
>> 72:             Thread t = new Thread(new Runnable() {
> 
> Why do you need a new thread?

`for (int a = 0; a < (int)(a + 16); a++) {` only will terminate when `a` overflows, so I add a thread to execute the test,  and use main thread to control the test time. I will refactor the test if the final fix is done.

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PR: https://git.openjdk.java.net/jdk/pull/5142