hg: jigsaw/jake/langtools: extra checks on output directory

[jonathan.gibbons at oracle.com]

Changeset: 67b88c9e7b4d
Author:    jjg
Date:      2016-02-06 22:36 -0800
URL:       http://hg.openjdk.java.net/jigsaw/jake/langtools/rev/67b88c9e7b4d

extra checks on output directory

! src/jdk.compiler/share/classes/com/sun/tools/javac/main/Arguments.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties
! test/tools/javac/modules/OutputDirTest.java