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

[Vladimir Kozlov]

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
>