Update test262 expectations concerning 64-bit precision double.

tools/test.py

 #!/usr/bin/env python
 #
-# Copyright 2008 the V8 project authors. All rights reserved.
+# 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
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
 #       with the distribution.
@@ skipping 829 matching lines @@
     self.right = right
 
   def Evaluate(self, env, defs):
     if self.op == '||' or self.op == ',':
       return self.left.Evaluate(env, defs) or self.right.Evaluate(env, defs)
     elif self.op == 'if':
       return False
     elif self.op == '==':
       inter = self.left.GetOutcomes(env, defs).Intersect(self.right.GetOutcomes(env, defs))
       return not inter.IsEmpty()
+    elif self.op == '!=':
+      inter = self.left.GetOutcomes(env, defs).Intersect(self.right.GetOutcomes(env, defs))
+      return inter.IsEmpty()
     else:
       assert self.op == '&&'
       return self.left.Evaluate(env, defs) and self.right.Evaluate(env, defs)
 
   def GetOutcomes(self, env, defs):
     if self.op == '||' or self.op == ',':
       return self.left.GetOutcomes(env, defs).Union(self.right.GetOutcomes(env, defs))
     elif self.op == 'if':
       if self.right.Evaluate(env, defs): return self.left.GetOutcomes(env, defs)
       else: return Nothing()
@@ skipping 62 matching lines @@
         self.AddToken(buf)
       elif self.Current(2) == '&&':
         self.AddToken('&&')
         self.Advance(2)
       elif self.Current(2) == '||':
         self.AddToken('||')
         self.Advance(2)
       elif self.Current(2) == '==':
         self.AddToken('==')
         self.Advance(2)
+      elif self.Current(2) == '!=':
+        self.AddToken('!=')
+        self.Advance(2)
       else:
         return None
     return self.tokens
 
 
 class Scanner(object):
   """A simple scanner that can serve out tokens from a given list"""
 
   def __init__(self, tokens):
     self.tokens = tokens
@@ skipping 32 matching lines @@
     scan.Advance()
     result = ParseLogicalExpression(scan)
     if (not result) or (scan.Current() != ')'):
       return None
     scan.Advance()
     return result
   else:
     return None
 
 
-BINARIES = ['==']
+BINARIES = ['==', '!=']
 def ParseOperatorExpression(scan):
   left = ParseAtomicExpression(scan)
   if not left: return None
   while scan.HasMore() and (scan.Current() in BINARIES):
     op = scan.Current()
     scan.Advance()
     right = ParseOperatorExpression(scan)
     if not right:
       return None
     left = Operation(left, op, right)
   return left
 
 
 def ParseConditionalExpression(scan):
   left = ParseOperatorExpression(scan)
   if not left: return None
   while scan.HasMore() and (scan.Current() == 'if'):
     scan.Advance()
     right = ParseOperatorExpression(scan)
     if not right:
       return None
-    left=  Operation(left, 'if', right)
+    left = Operation(left, 'if', right)
   return left
 
 
 LOGICALS = ["&&", "||", ","]
 def ParseLogicalExpression(scan):
   left = ParseConditionalExpression(scan)
   if not left: return None
   while scan.HasMore() and (scan.Current() in LOGICALS):
     op = scan.Current()
     scan.Advance()
@@ skipping 512 matching lines @@
     for entry in timed_tests[:20]:
       t = FormatTime(entry.duration)
       sys.stderr.write("%4i (%s) %s\n" % (index, t, entry.GetLabel()))
       index += 1
 
   return result
 
 
 if __name__ == '__main__':
   sys.exit(Main())