Experimental parser: Make run-tests.py work again.

tools/run-tests.py

 #!/usr/bin/env python
 #
 # Copyright 2012 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
@@ skipping 36 matching lines @@
 from testrunner.objects import context
 
 
 ARCH_GUESS = utils.DefaultArch()
 DEFAULT_TESTS = ["lexer", "mjsunit", "cctest"]
 TIMEOUT_DEFAULT = 60
 TIMEOUT_SCALEFACTOR = {"debug"   : 4,
                        "release" : 1 }
 
 # Use this to run several variants of the tests.
-VARIANT_FLAGS = [[]]
+
+VARIANTS = ["default"]
+
+VARIANT_FLAGS = {
+    "default": []
+}
+
 MODE_FLAGS = {
     "debug"   : ["--nobreak-on-abort", "--nodead-code-elimination",
                  "--nofold-constants", "--enable-slow-asserts",
                  "--debug-code", "--verify-heap"],
     "release" : ["--nobreak-on-abort", "--nodead-code-elimination",
                  "--nofold-constants"]}
 
 SUPPORTED_ARCHS = ["android_arm",
                    "android_ia32",
                    "arm",
@@ skipping 378 matching lines @@
   except KeyboardInterrupt:
     raise
 
   if options.time:
     verbose.PrintTestDurations(suites, overall_duration)
   return exit_code
 
 
 if __name__ == "__main__":
   sys.exit(Main())