Error found:
in module Main
at tests/purs/failing/PossiblyInfiniteCoercibleInstance.purs:9:12 - 9:18 (line 9, column 12 - line 9, column 18)

  A Coercible instance is possibly infinite.

while solving type class constraint
                              
  Prim.Coerce.Coercible (N a0)
                        (N b1)
                              
while checking that type forall (a :: Type) (b :: Type). Coercible @Type a b => a -> b
  is at least as general as type N a0 -> N b1
while checking that expression coerce
  has type N a0 -> N b1
in value declaration infinite

where a0 is a rigid type variable
        bound at (line 9, column 12 - line 9, column 18)
      b1 is a rigid type variable
        bound at (line 9, column 12 - line 9, column 18)

See https://github.com/purescript/documentation/blob/master/errors/PossiblyInfiniteCoercibleInstance.md for more information,
or to contribute content related to this error.