RFR: 8263577: C2: reachable nodes shouldn't have dead uses at the end of optimizations [v2]

[Roland Westrelin]

On Mon, 15 Mar 2021 14:11:19 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

> So, you move the code out of `if (super_t->singleton() && ...) {` to avoid putting `subklass` on the worklist?

Right.

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

PR: https://git.openjdk.java.net/jdk/pull/3012