// Messages from compiling methods.dart
warning: line 14, column 21 of test/codegen/methods.dart: [DownCastImplicit] b (num) will need runtime check to cast to type int
  int z([num b]) => b;
                    ^
warning: line 19, column 12 of test/codegen/methods.dart: [DownCastImplicit] a + b (num) will need runtime check to cast to type int
    return a + b;
           ^^^^^
info: line 49, column 3 of test/codegen/methods.dart: [DynamicInvoke] f.bar("Bar's call method!") requires dynamic invoke
  f.bar("Bar's call method!");
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^