hg: jdk9/dev/nashorn: 8074484: More agressive value discarding

[attila.szegedi at oracle.com]

Changeset: 25109b6b055b
Author:    attila
Date:      2015-03-11 11:03 +0100
URL:       http://hg.openjdk.java.net/jdk9/dev/nashorn/rev/25109b6b055b

8074484: More agressive value discarding
Reviewed-by: hannesw, lagergren

! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/CodeGenerator.java
! src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/CodeGeneratorLexicalContext.java