RFR: JDK-8263455: NMT: assert on registering a region which completely engulfs an existing region

[Thomas Stuefe]

On Wed, 17 Mar 2021 20:20:06 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> Looks good. I had to work it out...

Thanks Coleen! Its actually an old well known recipe. I did not invent it :)

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PR: https://git.openjdk.java.net/jdk/pull/2942