hg: jdk10/jdk10/langtools: 8185108: JShell: NullPointerException when throwing exception with null message under local ExecutionControl

[robert.field at oracle.com]

Changeset: fd3ce6210d0c
Author:    rfield
Date:      2017-08-23 14:06 -0700
URL:       http://hg.openjdk.java.net/jdk10/jdk10/langtools/rev/fd3ce6210d0c

8185108: JShell: NullPointerException when throwing exception with null message under local ExecutionControl
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/jdk/jshell/Eval.java
! src/jdk.jshell/share/classes/jdk/jshell/execution/ExecutionControlForwarder.java
! src/jdk.jshell/share/classes/jdk/jshell/execution/StreamingExecutionControl.java
+ test/jdk/jshell/ExceptionMessageTest.java