Fix for test for Win32.

test/cctest/test-api.cc

 // Copyright 2007-2009 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 8575 matching lines @@
     double test_value = test_values[i];
 
     // Check that Number::New preserves non-NaNs and quiets SNaNs.
     v8::Handle<v8::Value> number = v8::Number::New(test_value);
     double stored_number = number->NumberValue();
     if (!IsNaN(test_value)) {
       CHECK_EQ(test_value, stored_number);
     } else {
       uint64_t stored_bits = DoubleToBits(stored_number);
       // Check if quiet nan (bits 51..62 all set).
-      CHECK_EQ(0xfff, (stored_bits >> 51) & 0xfff);
+      CHECK_EQ(0xfff, static_cast<int>((stored_bits >> 51) & 0xfff));
     }
 
     // Check that Date::New preserves non-NaNs in the date range and
     // quiets SNaNs.
     v8::Handle<v8::Value> date = v8::Date::New(test_value);
     double expected_stored_date = DoubleToDateTime(test_value);
     double stored_date = date->NumberValue();
     if (!IsNaN(expected_stored_date)) {
       CHECK_EQ(expected_stored_date, stored_date);
     } else {
       uint64_t stored_bits = DoubleToBits(stored_date);
       // Check if quiet nan (bits 51..62 all set).
-      CHECK_EQ(0xfff, (stored_bits >> 51) & 0xfff);
+      CHECK_EQ(0xfff, static_cast<int>((stored_bits >> 51) & 0xfff));
     }
   }
 }