Code review request: 7085024 internal error; cannot instantiate Foo

[Dmeetry Degrave]

http://bugs.sun.com/view_bug.do?bug_id=7085024

fix is identical to jdk8, this is a back port to jdk7u.

webrev : http://cr.openjdk.java.net/~dmeetry/7085024/webrev.00/
jdk8: http://hg.openjdk.java.net/jdk8/tl/langtools/rev/b86277584776

thanks,
dmeetry