Remove deprecated v8::base::OS::nan_value().

test/cctest/compiler/test-run-machops.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <cmath>
 #include <functional>
 #include <limits>
 
 #include "src/base/bits.h"
 #include "src/codegen.h"
@@ skipping 3872 matching lines @@
 }
 
 
 TEST(RunFloat64UnorderedCompare) {
   RawMachineAssemblerTester<int32_t> m;
 
   const Operator* operators[] = {m.machine()->Float64Equal(),
                                  m.machine()->Float64LessThan(),
                                  m.machine()->Float64LessThanOrEqual()};
 
-  double nan = v8::base::OS::nan_value();
+  double nan = std::numeric_limits<double>::quiet_NaN();
 
   FOR_FLOAT64_INPUTS(i) {
     for (size_t o = 0; o < arraysize(operators); ++o) {
       for (int j = 0; j < 2; j++) {
         RawMachineAssemblerTester<int32_t> m;
         Node* a = m.Float64Constant(*i);
         Node* b = m.Float64Constant(nan);
         if (j == 1) std::swap(a, b);
         m.Return(m.NewNode(operators[o], a, b));
         CHECK_EQ(0, m.Call());
@@ skipping 474 matching lines @@
   struct {
     double from;
     double raw;
   } kValues[] = {{0, 0},
                  {0.5, 0},
                  {-0.5, 0},
                  {1.5, 1},
                  {-1.5, -1},
                  {5.5, 5},
                  {-5.0, -5},
-                 {v8::base::OS::nan_value(), 0},
+                 {std::numeric_limits<double>::quiet_NaN(), 0},
                  {std::numeric_limits<double>::infinity(), 0},
-                 {-v8::base::OS::nan_value(), 0},
+                 {-std::numeric_limits<double>::quiet_NaN(), 0},
                  {-std::numeric_limits<double>::infinity(), 0},
                  {4.94065645841e-324, 0},
                  {-4.94065645841e-324, 0},
                  {0.9999999999999999, 0},
                  {-0.9999999999999999, 0},
                  {4294967296.0, 0},
                  {-4294967296.0, 0},
                  {9223372036854775000.0, 4294966272.0},
                  {-9223372036854775000.0, -4294966272.0},
                  {4.5036e+15, 372629504},
@@ skipping 281 matching lines @@
       m.Float64RoundTiesAway(m.LoadFromPointer(&input, kMachFloat64)));
   m.Return(m.Int32Constant(0));
   for (size_t i = 0; i < arraysize(kValues); ++i) {
     input = kValues[i];
     CHECK_EQ(0, m.Call());
     double expected = round(kValues[i]);
     CHECK_EQ(expected, result);
   }
 }
 #endif  // V8_TURBOFAN_TARGET