RFR(XL) 8204231: Update Graal

[dean.long at oracle.com]

https://bugs.openjdk.java.net/browse/JDK-8204231
http://cr.openjdk.java.net/~dlong/8204231/webrev/

Graal changes:

dca1ec9 Thu Jun 14 06:27:22 2018 -0700    Alfonso² Peterssen 
java/lang/invoke/VarHandles/VarHandleTestMethodHandleAccessByte.java 
fails with Graal.
d1b5595 Thu Jun 14 01:58:13 2018 -0700    Alfonso² Peterssen [GR-10242] 
Canonicalization of unsafe memory accesses back to field accesses 
re-introduces memory barriers.
00146ee Thu Jun 14 00:45:33 2018 -0700    Alfonso² Peterssen [GR-10107] 
Implement missing Unsafe intrinsics for opaque/acquire/release operations.
61dde59 Wed Jun 13 06:57:53 2018 -0700      Christian Wimmer [GR-9442] 
Intrinsify old and new Unsafe methods on JDK 9 and later.
46c0955 Wed Jun 13 05:42:17 2018 -0700            Doug Simon [GR-10367] 
Ignore Object.notify intrinsics when unavailble.
ba18055 Tue Jun 12 14:51:17 2018 -0700            Doug Simon [GR-10349] 
Revert to list for StructuredGraph.methods.
da05112 Tue Jun 12 07:43:40 2018 -0700            Doug Simon [GR-10308] 
Ensure all inlined methods are recorded.
1682b57 Thu Jun 7 22:36:55 2018 -0700       Stefan Anzinger [GR-10269] 
Allow AtomicReadAndAdd with immediate delta.
298475e Thu Jun 7 13:39:07 2018 -0700            Doug Simon [GR-10265] 
Enforce adjustment of CheckGraalIntrinsics as new plugins are added.
c9bf1f20 Thu Jun 7 12:38:48 2018 -0700            Yudi Zheng [GR-6969] 
Temporarily disable AVX512 usages.
ae4804b Thu Jun 7 09:29:18 2018 -0700         Codrut Stancu [GR-10266] 
Fix NoClassDefFoundError when loading a Class constant that references a 
missing class.
bea6f26 Wed Jun 6 11:46:47 2018 -0700            Doug Simon [GR-10258] 
Use Files API for copying file in chunks to prevent OOME.
4e36bac Wed Jun 6 03:47:29 2018 -0700       Stefan Anzinger [GR-10217] 
AArch64: Add support for the SWP instruction and the AtomicReadAndWriteOp.
2e4dc72 Wed Jun 6 03:03:09 2018 -0700      Christian Wimmer [GR-10173] 
Handle corner case for MERGE_EXPLODE when loop is not reached during 
partial evaluation.
527a71e Wed Jun 6 00:01:47 2018 -0700   Aleksandar Prokopec [GR-10165] 
Update copyright.
437ec5e Tue Jun 5 04:59:06 2018 -0700            Doug Simon [GR-10213] 
Avoid NPE if SyncKnobs is NULL.
57a6bac Tue Jun 5 03:41:11 2018 -0700       Stefan Anzinger [GR-10103] 
AArch64LIRGenerator.emitAtomicReadAndAdd make delta allocatable.
079591a Tue Jun 5 02:54:46 2018 -0700       Stefan Anzinger [GR-10190] 
Added Classpath exception to all sources.
80b18b3 Mon Jun 4 06:31:28 2018 -0700   Aleksandar Prokopec [GR-10165] 
Unsafe.compareAndExchange regression on JDK 11.
f38ba63 Fri Jun 1 09:39:19 2018 -0700            Doug Simon [GR-10004] 
Remove unnecessary reflection code.
376bcf5 Thu May 31 12:07:32 2018 -0700   Aleksandar Prokopec [GR-9896] 
The result of code execution is different for Graal and Interpreter/C2.
d03d813 Thu May 31 10:05:51 2018 -0700      Christian Wimmer [GR-9995] 
Insert deoptimization proxy nodes also for deopt entry at method start.
000ff1e Wed May 30 12:14:21 2018 -0700            Yudi Zheng [GR-6987] 
Move vectorization backend to graal-core.
f7f3f25 Wed May 30 03:20:42 2018 -0700            Doug Simon [GR-10072] 
Make GraalCompilerTest more thread safe.

dl