Error location missing with recent menhir (starting with 2021-12-30 release) #414
Description
Recent menhir departs in its error handling from ocamlyacc.
With ocamlyacc:
bnfc/testing/regression-tests/100_coercion_lists$ ocaml/TestTest bad01.in
Parse error at 1.9-1.10
(exitcode 1)
With menhir:
$ ocaml-menhir/TestTest bad01.in
Fatal error: exception ParTest.MenhirBasics.Error
(exitcode 2)
Upstream issue: