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

src/compiler/js-graph.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 "src/code-stubs.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/compiler/typer.h"
 
 namespace v8 {
@@ skipping 67 matching lines @@
 
 
 Node* JSGraph::OneConstant() {
   if (!one_constant_.is_set()) one_constant_.set(NumberConstant(1.0));
   return one_constant_.get();
 }
 
 
 Node* JSGraph::NaNConstant() {
   if (!nan_constant_.is_set()) {
-    nan_constant_.set(NumberConstant(base::OS::nan_value()));
+    nan_constant_.set(NumberConstant(std::numeric_limits<double>::quiet_NaN()));
   }
   return nan_constant_.get();
 }
 
 
 Node* JSGraph::HeapConstant(Unique<HeapObject> value) {
   // TODO(turbofan): canonicalize heap constants using Unique<T>
   return graph()->NewNode(common()->HeapConstant(value));
 }
 
@@ skipping 121 matching lines @@
       &true_constant_,         &false_constant_,     &null_constant_,
       &zero_constant_,         &one_constant_,       &nan_constant_};
   for (size_t i = 0; i < arraysize(ptrs); i++) {
     if (ptrs[i]->is_set()) nodes->push_back(ptrs[i]->get());
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8