hg: valhalla/valhalla/langtools: Fix: tweak heuristics to detect cross-specialization boundaries

[maurizio.cimadamore at oracle.com]

Changeset: 9a9deb54d415
Author:    mcimadamore
Date:      2015-06-06 02:25 +0100
URL:       http://hg.openjdk.java.net/valhalla/valhalla/langtools/rev/9a9deb54d415

Fix: tweak heuristics to detect cross-specialization boundaries
* generalize SpecializeTypes translator so that all expression unerased types are retained
* add more tests

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Lower.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/SpecializeTypes.java
! test/tools/javac/valhalla/typespec/SpecializedAccessors.java
! test/tools/javac/valhalla/typespec/SpecializedAccessors2.java
! test/tools/javac/valhalla/typespec/SpecializedAccessors2Aux.java
! test/tools/javac/valhalla/typespec/SpecializedAccessors3.java
+ test/tools/javac/valhalla/typespec/SpecializedAccessors4.java