Fix VS2005 build.

src/ia32/lithium-codegen-ia32.cc

 // 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
@@ skipping 4966 matching lines @@
       __ mov(FieldOperand(result, elements_offset + i), ecx);
     }
 
     // Copy elements backing store content.
     int elements_length = elements->length();
     if (elements->IsFixedDoubleArray()) {
       Handle<FixedDoubleArray> double_array =
           Handle<FixedDoubleArray>::cast(elements);
       for (int i = 0; i < elements_length; i++) {
         int64_t value = double_array->get_representation(i);
-        int32_t value_low = value & 0xFFFFFFFF;
-        int32_t value_high = value >> 32;
+        int32_t value_low = static_cast<int32_t>(value & 0xFFFFFFFF);
+        int32_t value_high = static_cast<int32_t>(value >> 32);
         int total_offset =
             elements_offset + FixedDoubleArray::OffsetOfElementAt(i);
         __ mov(FieldOperand(result, total_offset), Immediate(value_low));
         __ mov(FieldOperand(result, total_offset + 4), Immediate(value_high));
       }
     } else if (elements->IsFixedArray()) {
       Handle<FixedArray> fast_elements = Handle<FixedArray>::cast(elements);
       for (int i = 0; i < elements_length; i++) {
         int total_offset = elements_offset + FixedArray::OffsetOfElementAt(i);
         Handle<Object> value(fast_elements->get(i));
@@ skipping 512 matching lines @@
                               FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32