RFR: 8275847: Scheduling fails with "too many D-U pinch points" on small method [v2]

[Nick Gasson]

On Thu, 28 Oct 2021 08:20:47 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> While looking at the usages of `is_concrete`, I found that all current usages outside of asserts are dead:
> 

Looks like it's been like that since the initial public commit in 2007. I folded the `&& false`, `|| true` uses.

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PR: https://git.openjdk.java.net/jdk/pull/6131