hg: jdk/sandbox: 8203338: Unboxing in return from lambda miscompiled to throw ClassCastException

[chris.hegarty at oracle.com]

Changeset: e0eca40cd514
Author:    bsrbnd
Date:      2018-06-20 10:01 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/e0eca40cd514

8203338: Unboxing in return from lambda miscompiled to throw ClassCastException
Reviewed-by: mcimadamore, vromero

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransTypes.java
+ test/langtools/tools/javac/lambda/LambdaReturnUnboxing.java