RFR: 8279485: Incorrect copyright year in compiler/lib/ir_framework/IRNode.java after JDK-8278114

[Jie Fu]

On Wed, 5 Jan 2022 03:49:30 GMT, Zhiqiang Zang <duke at openjdk.java.net> wrote:

> Didn't know about the rules about copyright years. Should we also make the same fix for https://github.com/openjdk/jdk/blob/master/src/hotspot/share/opto/mulnode.cpp?

Is there anything wrong with that file?
Or how would you like to fix it?

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PR: https://git.openjdk.java.net/jdk/pull/6962