Code review for 7086595: Error message bug: name of initializer is 'null'

[Dmeetry Degrave]

Hi,

I'm looking for a code review for 7086595. This is a port from jdk8 to 
7u4 with identical fix.

bug: http://bugs.sun.com/view_bug.do?bug_id=7086595
webrev: http://cr.openjdk.java.net/~dmeetry/7086595/webrev.0/
jdk8: http://hg.openjdk.java.net/jdk8/tl/langtools/rev/ed338593b0b6

thanks,
dmeetry