hg: jdk/sandbox: 8193296: Parser should not eagerly transform delete expressions

[chris.hegarty at oracle.com]

Changeset: fdefa410d655
Author:    attila
Date:      2017-12-14 13:42 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/fdefa410d655

8193296: Parser should not eagerly transform delete expressions
Reviewed-by: hannesw, sundar

! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/AssignSymbols.java
! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/Lower.java
! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/parser/Parser.java
+ test/nashorn/src/jdk/nashorn/api/tree/test/JDK_8193296_Test.java