-alt/base_adaptive_loop_array_alt1.nit:26,2--15: Error: Method 'length' doesn't exists in nullable Object.
-alt/base_adaptive_loop_array_alt1.nit:28,1--8: Error: Method 'length' doesn't exists in nullable Object.
+alt/base_adaptive_loop_array_alt1.nit:26,10--15: Error: method `length` does not exists in `Object`.
+alt/base_adaptive_loop_array_alt1.nit:28,3--8: Error: method `length` does not exists in `Object`.