Withdrawn: 8288968: C2: remove use of covariant returns in type.[ch]pp

[duke]

On Wed, 22 Jun 2022 12:15:16 GMT, Roland Westrelin <roland at openjdk.org> wrote:

> This removes some use of covariant returns that I added with 8275201
> (C2: hide klass() accessor from TypeOopPtr and typeKlassPtr
> subclasses).

This pull request has been closed without being integrated.

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

PR: https://git.openjdk.org/jdk/pull/9237