bug83.m:027: Error: ambiguous function name in `:- pragma foreign_export'
bug83.m:027:   declaration.
bug83.m:027:   The possible matches are:
bug83.m:027:     function `io.make_io_error'/1,
bug83.m:027:     function `bug83.make_io_error'/1.
bug83.m:027:   An explicit module qualifier may be necessary to select the
bug83.m:027:   right match.