[15] RFR: 8241802: [Graal] compiler/loopopts/TestLogSum.java timed out

[Doug Simon]

Thanks Vladimir. All testing passed so I’ll push it soon.

-Doug

> On 18 Jun 2020, at 00:21, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
> 
> Looks good.
> 
> Thanks,
> Vladimir
> 
> On 6/17/20 2:34 PM, Doug Simon wrote:
>> Please review this change cherry-picked from upstream Graal to fix a problem where compiling a method with many nested loops took too long.
>> The heart of the fix (authored by Gilles Duboscq) is to limit the amount of work done by the LoopFullUnrollPhase.
>> https://bugs.openjdk.java.net/browse/JDK-8241802
>> https://dougxc.github.io/webrevs/8241802/index.html
>> Testing: hs-tier1,hs-tier2,hs-tier3-graal
>> -Doug