hg: amber/amber/langtools: 8177466: Add compiler support for local variable type-inference

[maurizio.cimadamore at oracle.com]

Changeset: 2779563b4a68
Author:    mcimadamore
Date:      2017-09-21 13:22 +0100
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/2779563b4a68

8177466: Add compiler support for local variable type-inference
* replace boolean flag with projection kind enum in Types.TypeProjection
* add javadocs to type projections
* added missing call to Type::baseType in Attr::attribLazyConstValue

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java