library test;
import self as self;
import "dart:core" as core;

static method main() → void {
  core::Object o = 1;
  try {
    for (core::int i = 0; o as{TypeError} core::bool; i = i.{core::num::+}(1)) {
    }
    throw "no exception";
  }
  on core::TypeError catch(no-exception-var) {
  }
}