(diagnostic
  (schema slovo.diagnostic)
  (version 1)
  (severity error)
  (code NestedWhileUnsupported)
  (message "nested `while` loops are not supported in first-pass loop bodies")
  (file "<fixture>")
  (span
    (bytes 53 86)
    (range 6 5 7 21)
  )
  (hint "keep first-pass loop bodies flat")
)