hg: nashorn/jdk8/nashorn: 8005843: refSymbols lookup of unbound variable could cause NullPointerException in Lower

[marcus.lagergren at oracle.com]

Changeset: d8e4d66f1a06
Author:    lagergren
Date:      2013-01-08 10:52 +0100
URL:       http://hg.openjdk.java.net/nashorn/jdk8/nashorn/rev/d8e4d66f1a06

8005843: refSymbols lookup of unbound variable could cause NullPointerException in Lower
Reviewed-by: hannesw, attila

! src/jdk/nashorn/internal/codegen/Lower.java
+ test/script/basic/NASHORN-837.js