Don't treat warnings as errors when compiling minfrog items.

tools/testing/perf_testing/create_graph.py

 #!/usr/bin/python
 
 # Copyright (c) 2011, 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 datetime
 import math
 try:
   from matplotlib.font_manager import FontProperties
@@ skipping 39 matching lines @@
   Args:
     cmd_list a list of strings that make up the command to run
     outfile a string indicating the name of the file that we should write stdout
        to 
     append True if we want to append to the file instead of overwriting it"""
   if VERBOSE:
     print ' '.join(cmd_list)
   out = subprocess.PIPE
   if outfile:
     mode = 'w'
-    if append:
+    if append

[Siggi Cherem (dart-lang), 2011/12/16 00:24:32]

I believe the : should stay on this line?

+    # On Windows, shell must be true to get the correct environment variables.:
       mode = 'a'
     out = open(outfile, mode)
   p = subprocess.Popen(cmd_list, stdout = out, stderr = subprocess.PIPE)
   output, not_used = p.communicate();
   if output:
     print output
   return output
 
 def TimeCmd(cmd):
   """Determine the amount of (real) time it takes to execute a given command."""
@@ skipping 511 matching lines @@
     self.trace_file = os.path.join('..', 'tools', 'testing', 'perf_testing', 
         self.result_folder_name, self.result_folder_name + self.cur_time)
     
     self.AddSvnRevisionToTrace(self.trace_file)    
 
     elapsed = TimeCmd([os.path.join('.', 'frog.py'), '--',
         '--out=minfrog', 'minfrog.dart'])
     RunCmd(['echo', '%f Compiling on Dart VM in production mode in seconds' 
         % elapsed], self.trace_file, append=True)
     elapsed = TimeCmd([os.path.join('.', 'minfrog'), '--out=minfrog',
-        '--warnings_as_errors', 'minfrog.dart', os.path.join('tests', 
-        'hello.dart')])
+        'minfrog.dart', os.path.join('tests', 'hello.dart')])
     if elapsed < self.failure_threshold['Bootstrapping']:
       #minfrog didn't compile correctly. Stop testing now, because subsequent
       #numbers will be meaningless.
       return
     size = os.path.getsize('minfrog')
     RunCmd(['echo', '%f Bootstrapping time in seconds in production mode' % 
         elapsed], self.trace_file, append=True)
     RunCmd(['echo', '%d Generated checked minfrog size' % size],
         self.trace_file, append=True)
 
@@ skipping 130 matching lines @@
       if HasNewCode():
         RunTestSequence(cl, size, language, perf)
       else:
         time.sleep(SLEEP_TIME)
   else:
     RunTestSequence(cl, size, language, perf)
 
 if __name__ == '__main__':
   main()