[13] RFR(M) 8225019: Update JVMCI

[dean.long at oracle.com]

Looks good.  Was there a JDK bug for this fix:

   GR-15425 Ensure not compilable OSR at level 4 falls back to level 1.

It looks like it could apply to C1/C2 too and not just JVMCI.

dl

On 5/31/19 9:38 AM, Vladimir Kozlov wrote:
> http://cr.openjdk.java.net/~kvn/8225019/webrev.02/
> https://bugs.openjdk.java.net/browse/JDK-8225019
>
> Sync latest changes from graal-jvmci-8.
>
> Several compiler/jvmci tests failed because now VM will exit if JVMCI 
> Compiler specified incorrectly (-Djvmci.Compiler=null) when 
> UseJVMCICompiler is ON.
>
> The exit was added by [GR-15954] "Fail gracefully if JVMCI compiler 
> initialization fails".
> This is correct behavior. Tests were fixed by replacing 
> -Djvmci.Compiler=null with -XX:-UseJVMCICompiler.
> Note, I reproduced the same failures back to JDK 10 when we enabled 
> Graal as JIT. Tests passed before because Graal initialization 
> failures were ignored.
>
> Found an other test compiler/uncommontrap/DeoptReallocFailure.java 
> which use small Java heap -Xmx100m to trigger allocation failures. We 
> should not run it with Java Graal - I put it in ProblemList-graal.txt 
> with JDK-8196611 umbrella bug.
>
> Tested with tier1-3.
>
> Thanks,
> Vladimir