Reviewed. — John
> On Dec 8, 2014, at 3:47 PM, Vladimir Ivanov <vladimir.x.iva...@oracle.com>
> wrote:
>
> http://cr.openjdk.java.net/~vlivanov/8066746/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8066746
>
> Recent changes (8057656 [1]) broke MHs.explicitCastArguments for
> VarargsCollector case. It introduced an equivalence check between
> MHs.explicitCastArguments and MethodHandle.asType() which doesn't work for
> VarargsCollector case as expected.
>
> VarargsCollector has special asType() implementation, which supports
> collecting any number of trailing positional arguments into an array
> argument. It doesn't play well with MHs.explicitCastArguments, because the
> latter is meant to be a pairwise argument and return type conversion.
>
> The fix is to ensure that adapted method handle has fixed arity.
>
> Testing: regression test, jck (api/java_lang/invoke), jdk/java/lang/invoke
>
> Thanks!
>
> Best regards,
> Vladimir Ivanov
>
> [1] https://bugs.openjdk.java.net/browse/JDK-8057656
