-alt/error_expr_not_ok_alt6.nit:126,7--13: Error: Attribute '_x' access on 'null'.
-alt/error_expr_not_ok_alt6.nit:127,1--11: Error: Attribute '_x' access on 'null'.
-alt/error_expr_not_ok_alt6.nit:128,1--12: Error: Attribute '_x' access on 'null'.
-alt/error_expr_not_ok_alt6.nit:131,11--14: Type error: expected Int, got null
-alt/error_expr_not_ok_alt6.nit:131,7--14: Type error: expected A, got Int
-alt/error_expr_not_ok_alt6.nit:132,10--13: Type error: expected Int, got null
-alt/error_expr_not_ok_alt6.nit:133,11--14: Type error: expected Int, got null
-alt/error_expr_not_ok_alt6.nit:134,7--12: Error: Method '[]' call on 'null'.
-alt/error_expr_not_ok_alt6.nit:135,1--11: Error: Method '[]=' call on 'null'.
-alt/error_expr_not_ok_alt6.nit:136,1--12: Error: Method '[]' call on 'null'.
-alt/error_expr_not_ok_alt6.nit:137,1--17: Error: Method '[]=' call on 'null'.
-alt/error_expr_not_ok_alt6.nit:139,8--14: Type error: Int incompatible with null.
-alt/error_expr_not_ok_alt6.nit:140,8--14: Type error: null incompatible with Int.
-alt/error_expr_not_ok_alt6.nit:141,8--11: Type error: expected Discrete, got null
-alt/error_expr_not_ok_alt6.nit:142,8--14: Type error: Int incompatible with null.
-alt/error_expr_not_ok_alt6.nit:143,8--14: Type error: null incompatible with Int.
-alt/error_expr_not_ok_alt6.nit:144,8--11: Type error: expected Discrete, got null
-alt/error_expr_not_ok_alt6.nit:145,8--14: Type error: expected A, got Array[nullable Int]
-alt/error_expr_not_ok_alt6.nit:146,8--14: Type error: expected A, got Array[nullable Int]
-alt/error_expr_not_ok_alt6.nit:147,8--17: Type error: expected A, got Array[null]
+alt/error_expr_not_ok_alt6.nit:126,7--13: Error: Attribute _x doesn't exists in Int.
+alt/error_expr_not_ok_alt6.nit:127,1--11: Error: Attribute _x doesn't exists in Int.
+alt/error_expr_not_ok_alt6.nit:128,1--12: Error: Attribute _x doesn't exists in Int.
+alt/error_expr_not_ok_alt6.nit:131,7--15: Type error: expected A, got Int
+alt/error_expr_not_ok_alt6.nit:134,7--13: Error: Method '[]' doesn't exists in Int.
+alt/error_expr_not_ok_alt6.nit:135,1--11: Error: Method '[]=' doesn't exists in Int.
+alt/error_expr_not_ok_alt6.nit:136,1--12: Error: Method '[]' doesn't exists in Int.
+alt/error_expr_not_ok_alt6.nit:137,1--17: Error: Method '[]=' doesn't exists in Int.
+alt/error_expr_not_ok_alt6.nit:139,7--15: Type error: expected A, got Range[Int]
+alt/error_expr_not_ok_alt6.nit:140,7--15: Type error: expected A, got Range[Int]
+alt/error_expr_not_ok_alt6.nit:141,7--18: Type error: expected A, got Range[Int]
+alt/error_expr_not_ok_alt6.nit:142,7--15: Type error: expected A, got Range[Int]
+alt/error_expr_not_ok_alt6.nit:143,7--15: Type error: expected A, got Range[Int]
+alt/error_expr_not_ok_alt6.nit:144,7--18: Type error: expected A, got Range[Int]
+alt/error_expr_not_ok_alt6.nit:145,7--15: Type error: expected A, got Array[Int]
+alt/error_expr_not_ok_alt6.nit:146,7--15: Type error: expected A, got Array[Int]
+alt/error_expr_not_ok_alt6.nit:147,7--18: Type error: expected A, got Array[Int]