hg: panama/dev: 8237648: Add support for var handle adaptation

[maurizio.cimadamore at oracle.com]

Changeset: da58ea35a55f
Author:    mcimadamore
Date:      2020-01-29 12:36 +0000
URL:       https://hg.openjdk.java.net/panama/dev/rev/da58ea35a55f

8237648: Add support for var handle adaptation
Reviewed-by: psandoz, jvernee, forax

+ src/java.base/share/classes/java/lang/invoke/IndirectVarHandle.java
! src/java.base/share/classes/java/lang/invoke/Invokers.java
! src/java.base/share/classes/java/lang/invoke/MethodHandleImpl.java
! src/java.base/share/classes/java/lang/invoke/MethodHandleStatics.java
! src/java.base/share/classes/java/lang/invoke/MethodHandles.java
! src/java.base/share/classes/java/lang/invoke/VarForm.java
! src/java.base/share/classes/java/lang/invoke/VarHandle.java
! src/java.base/share/classes/java/lang/invoke/VarHandleGuards.java
! src/java.base/share/classes/java/lang/invoke/VarHandles.java
+ test/jdk/java/foreign/TestAdaptVarHandles.java
! test/jdk/java/foreign/TestMemoryAccess.java