hg: jdk9/sandbox/nashorn: Merge

[paul.sandoz at oracle.com]

Changeset: 8bbb7e7819c3
Author:    psandoz
Date:      2015-08-31 19:11 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/nashorn/rev/8bbb7e7819c3

Merge

- src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/AstSerializer.java