hg: jdk/jdk: 8198573: JShell: class replace loses instances

[robert.field at oracle.com]

Changeset: ca22f8cb0c9b
Author:    rfield
Date:      2018-02-23 10:49 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/ca22f8cb0c9b

8198573: JShell: class replace loses instances
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/jdk/jshell/DeclarationSnippet.java
! src/jdk.jshell/share/classes/jdk/jshell/OuterWrapMap.java
! src/jdk.jshell/share/classes/jdk/jshell/VarSnippet.java
! test/langtools/jdk/jshell/StartOptionTest.java
! test/langtools/jdk/jshell/ToolSimpleTest.java