Rewrite test CHECK to work on all platforms, including MIPS

test/cctest/test-api.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 12892 matching lines @@
 
   // Check other boundary conditions, values and operations.
   result = CompileRun("for (var i = 0; i < 8; i++) {"
                       "  ext_array[7] = undefined;"
                       "}"
                       "ext_array[7];");
   CHECK_EQ(0, result->Int32Value());
   if (array_type == v8::kExternalDoubleArray ||
       array_type == v8::kExternalFloatArray) {
     CHECK_EQ(
-        static_cast<int>(0x80000000),
+        static_cast<int>(i::OS::nan_value()),
         static_cast<int>(jsobj->GetElement(7)->ToObjectChecked()->Number()));
   } else {
     CHECK_EQ(0, static_cast<int>(
         jsobj->GetElement(7)->ToObjectChecked()->Number()));
   }
 
   result = CompileRun("for (var i = 0; i < 8; i++) {"
                       "  ext_array[6] = '2.3';"
                       "}"
                       "ext_array[6];");
@@ skipping 3171 matching lines @@
   CompileRun("throw 'exception';");
 }
 
 
 TEST(CallCompletedCallbackTwoExceptions) {
   v8::HandleScope scope;
   LocalContext env;
   v8::V8::AddCallCompletedCallback(CallCompletedCallbackException);
   CompileRun("throw 'first exception';");
 }