hg: nashorn/jdk9/nashorn: 8043605: Enable history for empty property maps

[attila.szegedi at oracle.com]

Changeset: d73376609bf0
Author:    attila
Date:      2014-05-21 15:38 +0200
URL:       http://hg.openjdk.java.net/nashorn/jdk9/nashorn/rev/d73376609bf0

8043605: Enable history for empty property maps
Reviewed-by: jlaskey, sundar

! src/jdk/nashorn/internal/runtime/PropertyMap.java