hg: jdk/jdk: 8210959: JShell fails and exits when statement throws an exception whose message contains a '%'.

[robert.field at oracle.com]

Changeset: b3c7c5a62521
Author:    rfield
Date:      2018-10-22 09:26 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/b3c7c5a62521

8210959: JShell fails and exits when statement throws an exception whose message contains a '%'.
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/JShellTool.java
! test/langtools/jdk/jshell/ToolSimpleTest.java