Make the message test suite run without slow asserts.

test/message/testcfg.py

 # Copyright 2008 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 17 matching lines @@
 import itertools
 import os
 import re
 
 from testrunner.local import testsuite
 from testrunner.local import utils
 from testrunner.objects import testcase
 
 
 FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")
+INVALID_FLAGS = ["--enable-slow-asserts"]
 
 
 class MessageTestSuite(testsuite.TestSuite):
   def __init__(self, name, root):
     super(MessageTestSuite, self).__init__(name, root)
 
   def ListTests(self, context):
     tests = []
     for dirname, dirs, files in os.walk(self.root):
       for dotted in [x for x in dirs if x.startswith('.')]:
         dirs.remove(dotted)
       dirs.sort()
       files.sort()
       for filename in files:
         if filename.endswith(".js"):
           testname = os.path.join(dirname[len(self.root) + 1:], filename[:-3])
           test = testcase.TestCase(self, testname)
           tests.append(test)
     return tests
 
   def GetFlagsForTestCase(self, testcase, context):
     source = self.GetSourceForTest(testcase)
     result = []
     flags_match = re.findall(FLAGS_PATTERN, source)
     for match in flags_match:
       result += match.strip().split()
     result += context.mode_flags
+    result = [x for x in result if x not in INVALID_FLAGS]
     result.append(os.path.join(self.root, testcase.path + ".js"))
     return testcase.flags + result
 
   def GetSourceForTest(self, testcase):
     filename = os.path.join(self.root, testcase.path + self.suffix())
     with open(filename) as f:
       return f.read()
 
   def _IgnoreLine(self, string):
     """Ignore empty lines, valgrind output and Android output."""
@@ skipping 28 matching lines @@
       if not re.match(pattern, actual):
         return True
     return False
 
   def StripOutputForTransmit(self, testcase):
     pass
 
 
 def GetSuite(name, root):
   return MessageTestSuite(name, root)