[8u76] Request for approval to backport JDK-8130506: javac AssertionError when invoking MethodHandle.invoke with lambda parameter

[Srikanth]

Hello !

Please approve this backport:

JDK9 ticket: https://bugs.openjdk.java.net/browse/JDK-8130506
8u76 ticket: https://bugs.openjdk.java.net/browse/JDK-8147530

JDK9 change set: 
http://hg.openjdk.java.net/jdk9/dev/langtools/rev/21b0862fdd32

This patch applies cleanly on 8udev after path shuffling. All relevant 
tests are green.

Thanks in advance.
Srikanth