hg: valhalla/valhalla/jdk: Add support for statically-typed default literals

[maurizio.cimadamore at oracle.com]

Changeset: 2193aca0ba68
Author:    mcimadamore
Date:      2015-01-16 12:22 +0000
URL:       http://hg.openjdk.java.net/valhalla/valhalla/jdk/rev/2193aca0ba68

Add support for statically-typed default literals
* handle specialization of aconst_null
* add test

! src/java.base/share/classes/valhalla/specializer/Specializer.java
+ test/valhalla/test/valhalla/specializer/DefaultValueTest.java