Checker Framework 3.40.0-eisop2

[wmdietl]

Version 3.40.0-eisop2 (November 24, 2023)

Implementation details:

Always use reflective access for TreeMaker#Select, to allow artifacts built with
Java 21+ to be executed on Java <21.

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This discussion was created from the release Checker Framework 3.40.0-eisop2.