[jdk17] RFR: JDK-8269351: Proxy::newProxyInstance and MethodHandleProxies::asInterfaceInstance should reject sealed interfaces

[Joe Darcy]

On Fri, 25 Jun 2021 17:24:58 GMT, Mandy Chung <mchung at openjdk.org> wrote:

> `java.lang.reflect.Proxy::newProxyInstance` and `java.lang.invoke.MethodHandleProxies::asInterfaceInstance` do not specify how to deal with sealed interfaces.  These APIs should reject  sealed interface with `IllegalArgumentException` which is thrown if the given interface is invalid.
> 
> Please review CSR:
>     https://bugs.openjdk.java.net/browse/JDK-8269396

Marked as reviewed by darcy (Reviewer).

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PR: https://git.openjdk.java.net/jdk17/pull/148