RFR: 8278114: Incorrect copyright year in compiler/lib/ir_framework/IRNode…

[xpbob]

/*
 - * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
 + * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.

 ```
=>

 /*
- * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2021, 2022, Oracle and/or its affiliates. All rights reserved.

-------------

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

Changes: https://git.openjdk.java.net/jdk/pull/6962/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6962&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8278114
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6962.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6962/head:pull/6962

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