RFR: JDK-8292903: enhance round_up_power_of_2 assertion output

[Stefan Karlsson]

On Thu, 25 Aug 2022 08:20:49 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> There is an assertion in round_up_power_of_2 for value <= max_power_of_2 of the type; would be nice to show the value of the problematic argument in case of failures.

Marked as reviewed by stefank (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/10016