On 12/03/2018 12:37, Claes Redestad wrote:

I found what appears to be a simple omission from my earlier work to pre-generate LambdaForms at jlink time, in that the DIRECT_NEW_INVOKE_SPECIAL kind is never looked
up nor pregenerated.

Fixing that means we're covering a few more kinds of LFs at link-time and realizing a small startup optimization on first linking of constructor lambdas (Foo::new)

Webrev: http://cr.openjdk.java.net/~redestad/8199453/jdk.00/
Bug:    https://bugs.openjdk.java.net/browse/JDK-8199453
This looks okay to me.

In case anyone wonders, this is one of several jlink plugins that are tightly coupled to java.base. They are never run when the java.base going into target run-time image doesn't have the same feature and interim version as the version that the plugins were developed for.


I also piled on a trivial micro-optimization to the bogusMethod, which is no longer used with more than one arg thus doesn't have to use a vararg parameter. This means an insignificant reduction in Object[] creation during bootstrap - hope noone minds..



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