Method c4

deps/v8/test/mjsunit/es8/async-function-stacktrace.js:81–84

()

  } }).c3, ["c3"]);

  await test((new class { async c4() {
    await 1;
    try { await reject(); } catch (e) { throw new Error("FAIL"); }
  } }).c4, ["c4"]);

  await test(async x => { throw new Error("FAIL") },
             ["test", "runTests"]);