Bug#876305: polygen: FTBFS with ocaml 4.05.0

[Ralf Treinen]

Source: polygen
Version: 1.0.6.ds2-14
Severity: serious

polygen FTBFS with ocaml 4.05.0:

ocamlc -c -unsafe check.ml -o check.cmo
File "check.ml", line 40, characters 59-62:
Error: This expression has type elt -> Prelude.Prelude.symbol
       but an expression was expected of type elt -> elt
       Type Prelude.Prelude.symbol = string is not compatible with type
         elt = Prelude.Prelude.symbol * Err.loc option 

-Ralf.