-[[input.y:5: type clash (`bar' `') on default action
-input.y:6: type clash (`bar' `') on default action
-input.y:7: empty rule for typed nonterminal, and no action
+[[input.y:4.4-15: type clash (`bar' `') on default action
+input.y:5.4-8: type clash (`bar' `') on default action
+input.y:6.4: empty rule for typed nonterminal, and no action