RFR: JDK-8258603 c1 IR::verify is expensive [v7]

[Ludvig Janiuk]

On Tue, 4 Jan 2022 20:04:45 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Ludvig Janiuk has updated the pull request incrementally with three additional commits since the last revision:
>> 
>>  - whitespace
>>  - fix on SSOT
>>  - SSOT part 2
>
> And please update copyright year to 2022 in changed files headers.

@vnkozlov @chhagedorn Could you please sponsor?

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PR: https://git.openjdk.java.net/jdk/pull/6850