[8u60] Bulk request for approval: 8059455, 8078290

[Vladimir Ivanov]

Please, approve backports of the following fixes into 8u60:

(1) 8059455: LambdaForm.prepare() does unnecessary work for cached 
LambdaForms
http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/6d6d9555d2e6
https://bugs.openjdk.java.net/browse/JDK-8059455

(2) 8078290: Customize adapted MethodHandle in MH.invoke() case
http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/b41a4874ae5f
https://bugs.openjdk.java.net/browse/JDK-8078290

The fixes apply cleanly.

Thanks!

Best regards,
Vladimir Ivanov