RFR: 8283237: CallSite should be a sealed class

[Johannes Kuhn]

On Wed, 16 Mar 2022 13:09:30 GMT, liach <duke at openjdk.java.net> wrote:

> Change `CallSite` to a sealed class, as `CallSite` is an abstract class which does not allow direct subclassing by users per its documentation. Since I don't have a JBS account, I posted the content for the CSR in a GitHub Gist at https://gist.github.com/150d5aa7f8b13a4deddf95969ad39d73 and wish someone can submit a CSR for me.

Marked as reviewed by jkuhn (Author).

-------------

PR: https://git.openjdk.java.net/jdk/pull/7840