hg: jdk/hs: 8195694: ConstantBootstraps.invoke does not preserve variable arity

[paul.sandoz at oracle.com]

Changeset: 19ef3f64bc10
Author:    psandoz
Date:      2018-02-01 14:19 -0800
URL:       http://hg.openjdk.java.net/jdk/hs/rev/19ef3f64bc10

8195694: ConstantBootstraps.invoke does not preserve variable arity
Reviewed-by: jrose

! src/java.base/share/classes/java/lang/invoke/ConstantBootstraps.java
! test/jdk/java/lang/invoke/condy/ConstantBootstrapsTest.java