pkg/front_end/testcases/inference/dont_infer_type_when_initializer_is_null.dart:10:5: Context: Write to x@295
  x = "hi";
    ^
pkg/front_end/testcases/inference/dont_infer_type_when_initializer_is_null.dart:11:5: Context: Write to x@295
  x = 3;
    ^