anchor.diff:        .where((String s) => s.startsWith('android_'));
   
     int failures = 0;
  -  failures += _checkIos(outPath, iosReleaseBuilds);
  -  failures += _checkAndroid(outPath, androidReleaseBuilds);
  -
  -  exit(failures);
  +  failures += _checkIos(outPath, nmPath, iosReleaseBuilds);
  +  failures += _checkAndroid(outPath, nmPath, androidReleaseBuilds);
  +  // TODO(goderbauer): Return failing exit code on failure once it works on bots.
  +  print('Failures: $failures'); // exit(failures);
   }
   
  -int _checkIos(String outPath, Iterable<String> builds) {
  +int _checkIos(String outPath, String nmPath, Iterable<String> builds) {
     int failures = 0;
     for (String build in builds) {
       final String libFlutter = p.join(outPath, build, 'Flutter.framework', 'Flutter');
  -    final String stdout = Process.runSync('nm', <String>['-gUm', libFlutter]).stdout;
  +    final String stdout = Process.runSync(nmPath, <String>['-gUm', libFlutter]).stdout;
       print('+++ DEBUG: stdout of nm +++');
       print(stdout);
       print('+++ END: stdout of nm +++');
  
positive.code:   return failures;
  }
  
  int _checkAndroid(String outPath, Iterable<String> builds) {
    int failures = 0;
    for (String build in builds) {
      final String libFlutter = p.join(outPath, build, 'libflutter.so');
      final String stdout = Process.runSync('nm', <String>['-gU', libFlutter]).stdout;
      print('+++ DEBUG: stdout of nm +++');
      print(stdout);
      print('+++ END: stdout of nm +++');
  
negative.code: void main(List<String> arguments) {
    assert(arguments.length == 1);
    final String outPath = arguments.first;
    String platform;
    if (Platform.isLinux) {
      platform = 'linux-x64';
    } else if (Platform.isMacOS) {
      platform = 'mac-x64';
    } else {
      throw new UnimplementedError('Script only support running on Linux or MacOS.');
    }
    final String nmPath = p.join(p.dirname(outPath), 'buildtools', platform, 'clang', 'bin', 'llvm-nm');
    assert(new Directory(outPath).existsSync());
  
    final Iterable<String> releaseBuilds = new Directory(outPath).listSync()
  