Follow symlinks in test/mjsunit to allow linked test directories.

test/mjsunit/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 27 matching lines @@
 NO_HARNESS_PATTERN = re.compile(r"^// NO HARNESS$", flags=re.MULTILINE)
 
 
 class MjsunitTestSuite(testsuite.TestSuite):
 
   def __init__(self, name, root):
     super(MjsunitTestSuite, self).__init__(name, root)
 
   def ListTests(self, context):
     tests = []
-    for dirname, dirs, files in os.walk(self.root):
+    for dirname, dirs, files in os.walk(self.root, followlinks=True):
       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") and filename != "mjsunit.js":
           testname = os.path.join(dirname[len(self.root) + 1:], filename[:-3])
           test = testcase.TestCase(self, testname)
           tests.append(test)
     return tests
@@ skipping 36 matching lines @@
     return testcase.flags + flags
 
   def GetSourceForTest(self, testcase):
     filename = os.path.join(self.root, testcase.path + self.suffix())
     with open(filename) as f:
       return f.read()
 
 
 def GetSuite(name, root):
   return MjsunitTestSuite(name, root)