--- /dev/null
+alt/error_expr_not_ok_alt3.nit:19,19--22: Error: Method or variable 'fail' unknown in A.
+alt/error_expr_not_ok_alt3.nit:21,11--14: Error: Method or variable 'fail' unknown in A.
+alt/error_expr_not_ok_alt3.nit:22,26--29: Error: Method or variable 'fail' unknown in A.
+alt/error_expr_not_ok_alt3.nit:24,8--11: Error: Method or variable 'fail' unknown in A.
+alt/error_expr_not_ok_alt3.nit:25,9--12: Error: Method or variable 'fail' unknown in A.
+alt/error_expr_not_ok_alt3.nit:34,12--17: Error: Method or variable 'fail' unknown in Sys.
+alt/error_expr_not_ok_alt3.nit:40,1--7: Error: Method 'fail' doesn't exists in Int.
+alt/error_expr_not_ok_alt3.nit:42,7--9: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:43,1--8: Error: Method 'fail' doesn't exists in Int.
+alt/error_expr_not_ok_alt3.nit:60,20--20: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:62,7--27: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:66,21--21: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:73,7--18: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:74,7--18: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:75,7--18: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:76,7--19: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:77,7--19: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:78,7--19: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:79,7--14: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:81,7--15: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:84,7--15: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:86,7--15: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:87,7--15: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:88,7--18: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:90,7--14: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:93,7--14: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:96,7--15: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:99,7--15: Type error: expected A, got Bool
+alt/error_expr_not_ok_alt3.nit:102,7--16: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:105,7--14: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:108,7--14: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:111,7--14: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:114,7--14: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:117,7--14: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:122,7--15: Error: Attribute _fail doesn't exists in String.
+alt/error_expr_not_ok_alt3.nit:123,1--13: Error: Attribute _fail doesn't exists in String.
+alt/error_expr_not_ok_alt3.nit:124,1--14: Error: Attribute _fail doesn't exists in String.
+alt/error_expr_not_ok_alt3.nit:131,7--14: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:149,7--24: Type error: expected A, got String
+alt/error_expr_not_ok_alt3.nit:150,7--17: Type error: expected A, got Int
+alt/error_expr_not_ok_alt3.nit:152,7--18: Type error: expected A, got Bool