hg: jdk9/sandbox/langtools: 8160454: JSR269 jigsaw update: javax.lang.model.element.ModuleElement.getDirectives() causes NPE on unnamed modules

[chris.hegarty at oracle.com]

Changeset: 53ebb47dc802
Author:    vromero
Date:      2016-09-02 05:43 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/53ebb47dc802

8160454: JSR269 jigsaw update: javax.lang.model.element.ModuleElement.getDirectives() causes NPE on unnamed modules
Reviewed-by: jjg

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symbol.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symtab.java
+ test/tools/javac/modules/T8160454/NPEGetDirectivesTest.java