hg: jdk9/dev/nashorn: 8044000: Access to undefined property yields "null" instead of "undefined"

[sundararajan.athijegannathan at oracle.com]

Changeset: 32b66f4661ea
Author:    sundar
Date:      2014-05-27 17:40 +0530
URL:       http://hg.openjdk.java.net/jdk9/dev/nashorn/rev/32b66f4661ea

8044000: Access to undefined property yields "null" instead of "undefined"
Reviewed-by: lagergren, jlaskey

! src/jdk/nashorn/internal/runtime/linker/Bootstrap.java
! src/jdk/nashorn/internal/runtime/linker/JSObjectLinker.java
! src/jdk/nashorn/internal/runtime/linker/NashornGuards.java
! test/src/jdk/nashorn/api/scripting/ScriptObjectMirrorTest.java