NPE in isSignaturePolymorphic(jdk.compiler at 9-internal/Types.java:1079)

[Alex Buckley]

Hi Ronald,

On 10/25/2016 1:02 PM, Ronald Servant wrote:
> The check performed in isSignaturePolymorphic() assumes that all native
> methods in MethodHandle or VarHandle will have at least 1 parameter.
>   That true for OpenJDK, but in the J9 implementation, we have native
> methods without parameters.  This issue can be reproduced by applying
> patch[1] below.

Just to clarify: you are NOT suggesting that javac should treat 
zero-arity native methods in MethodHandle as signature polymorphic, right?

Alex