File: README.md

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rustc 1.88.0%2Bdfsg1-2
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A variety of tests around reachability. These tests in general check
two things:

- that we get unreachable code warnings in reasonable locations;
- that we permit coercions **into** `!` from expressions which
  diverge, where an expression "diverges" if it must execute some
  subexpression of type `!`, or it has type `!` itself.