hg: panama/dev: 8202907: Consolidate the design and implementation of the nicl support.

[sundararajan.athijegannathan at oracle.com]

Changeset: 7e8e54f6c175
Author:    sundar
Date:      2018-06-13 18:35 +0530
URL:       http://hg.openjdk.java.net/panama/dev/rev/7e8e54f6c175

8202907: Consolidate the design and implementation of the nicl support.
typedef with anonymous struct results in empty name in layout.
Reviewed-by: mcimadamore

! src/java.base/share/classes/jdk/internal/nicl/LayoutResolver.java
! src/jdk.jextract/share/classes/com/sun/tools/jextract/Utils.java
! test/jdk/com/sun/tools/jextract/Runner.java
+ test/jdk/com/sun/tools/jextract/TypedefAnonStruct.h
+ test/jdk/com/sun/tools/jextract/TypedefAnonStruct.java
+ test/jdk/java/nicl/EmptyLayoutNameTest.java