hg: jdk9/sandbox/langtools: Merge

[erik.joelsson at oracle.com]

Changeset: 16f2a9027d47
Author:    erikj
Date:      2015-12-01 14:46 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/16f2a9027d47

Merge

- test/tools/javac/diags/examples/DiamondRedundantArgs1.java
- test/tools/javac/generics/diamond/7002837/T7002837.out
- test/tools/javac/generics/diamond/neg/T8078473.out
- test/tools/javac/generics/diamond/neg/T8078473_2.out