hg: amber/amber/jdk: manual merge with constant-folding branch

[vicente.romero at oracle.com]

Changeset: cf7a3ea6c758
Author:    vromero
Date:      2017-08-23 14:03 -0400
URL:       http://hg.openjdk.java.net/amber/amber/jdk/rev/cf7a3ea6c758

manual merge with constant-folding branch

! src/java.base/share/classes/java/lang/invoke/Constables.java
! test/java/lang/invoke/CondyTest.java
! test/java/lang/invoke/ConstablesTest.java
! test/java/lang/invoke/IntrinsicsTest.java