 --> [ local path prefix ]/cycles/constant_1.fpp:1:1
  |
1 | constant a = b
  | ^^^^^^^^^^^^^^ encountered symbol use-definition cycle
  |
 ::: [ local path prefix ]/cycles/constant_1.fpp:2:10
  |
2 | constant b = c
  |          - defined here
  |
 ::: [ local path prefix ]/cycles/constant_1.fpp:2:14
  |
2 | constant b = c
  |              - used here
  |
 ::: [ local path prefix ]/cycles/constant_1.fpp:3:10
  |
3 | constant c = a
  |          - defined here
  |
 ::: [ local path prefix ]/cycles/constant_1.fpp:3:14
  |
3 | constant c = a
  |              - used here

