Debug means debug build, --checked is a seperate step

dart/frog/presubmit.py

 #!/usr/bin/env python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import optparse
 import os
 import stat
 import subprocess
 import sys
@@ skipping 134 matching lines @@
       #   than pain.
       # Run frogsh on most of the tests.
       cmd = test_cmd + ['--component=frogsh', 'language', 'corelib',
                         'isolate', 'peg', 'frog', 'css', 'dartdoc']
       RunCommand(*cmd, verbose=True)
 
     # Run leg unit tests.
     cmd = test_cmd + ['--component=vm', 'leg']
     RunCommand(*cmd, verbose=True)
 
+    # Leg does not implement checked mode yet.
+    test_cmd.remove('--checked')
+
     cmd = test_cmd + ['--component=leg', 'leg_only']
     RunCommand(*cmd, verbose=True)
 
     # Run leg on "built-in" tests.
     cmd = test_cmd + ['--component=leg']
     RunCommand(*cmd, verbose=True)
 
 
 if __name__ == '__main__':
   try:
     sys.exit(main())
   except Error as e:
     sys.stderr.write('%s\n' % e)
     sys.exit(1)