On Thu, 9 May 2024 13:51:09 GMT, Coleen Phillimore <cole...@openjdk.org> wrote:
> This change stores InstanceKlass for interface and abstract classes in the > non-class metaspace, since class metaspace will have limits on number of > classes that can be represented when Lilliput changes go in. Classes that > have no instances created for them don't require compressed class pointers. > The generated LambdaForm classes are also AllStatic, and changing them to > abstract moves them to non-class metaspace too. It's not technically great > to make them abstract and not final but you can't have both. Java classfile > access flags have no way of specifying something like AllStatic. > > Tested with tier1-8. I am surprised that this patch is so small. I would have assumed a lot of code exists that unconditionally assumes we always can encode decode Klass*<->narrowKlass. I looked through the typical cases (eg Klass validation) and all of them seem to be okay. I will keep looking. ------------- PR Comment: https://git.openjdk.org/jdk/pull/19157#issuecomment-2304169936
