hg: jdk10/master: 8188098: NPE in SimpleTreeVisitorES6 visitor when parsing a tagged template literal

[sundararajan.athijegannathan at oracle.com]

Changeset: 8eb5e3ccee56
Author:    sundar
Date:      2017-09-28 23:03 +0530
URL:       http://hg.openjdk.java.net/jdk10/master/rev/8eb5e3ccee56

8188098: NPE in SimpleTreeVisitorES6 visitor when parsing a tagged template literal
Reviewed-by: hannesw, jlaskey

! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/parser/Parser.java
+ test/nashorn/script/basic/JDK-8188098.js
+ test/nashorn/src/jdk/nashorn/api/tree/test/JDK_8188098_Test.java