hg: jdk9/sandbox/langtools: 8168607: langtools/test/Makefile should set -retain:fail, error by default

[chris.hegarty at oracle.com]

Changeset: c007074c847c
Author:    erikj
Date:      2016-12-01 15:10 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/c007074c847c

8168607: langtools/test/Makefile should set -retain:fail,error by default
Reviewed-by: tbell, ihse

! test/Makefile